ANDOVER NET INC
S-8, 2000-03-08
BUSINESS SERVICES, NEC
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As filed with the Securities and Exchange Commission on March 8, 2000.

                                                   Registration No. 333-
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                    FORM S-8

                             REGISTRATION STATEMENT

                                      under

                           THE SECURITIES ACT OF 1933

                                ANDOVER.NET, INC.
               (Exact name of issuer as specified in its charter)

         Delaware                                        04-3153168
  (State of Incorporation)                 (IRS Employer Identification Number)

                    50 Nagog Park, Acton, Massachusetts 01720
               (Address of Principal Executive Offices) (Zip Code)

                                ANDOVER.NET, INC.
                             1999 STOCK OPTION PLAN

                       ANDOVER ADVANCED TECHNOLOGIES, INC.

                                 1995 STOCK PLAN

                            (Full title of the Plans)

                                Bruce A. Twickler
                      President and Chief Executive Officer
                                Andover.Net, Inc.
                                  50 Nagog Park
                           Acton, Massachusetts 01720
                     (Name and address of agent for service)

                                (978) 635-5300
          (Telephone number, including area code, of agent for service)

                                    copy to:

                           David P. Kreisler, Esquire
                           Hutchins, Wheeler & Dittmar
                           A Professional Corporation
                               101 Federal Street
                           Boston, Massachusetts 02110
                                 (617) 951-6600
            (Name, address and telephone number of agent for service)
<PAGE>
                         CALCULATION OF REGISTRATION FEE
<TABLE>
<CAPTION>

    Title of Securities to be          Amount to be registered (1)      Proposed Maximum      Proposed Maximum         Amount of
            registered                                                 Offering Price Per    Aggregate Offering    Registration Fee
                                                                              Unit
<S>                                    <C>                             <C>                   <C>                   <C>
1999 Stock Option Plan                                                                                                Price
Common Stock, par value                775,595                         $ 6.60(2)             $ 5,118,927.00(2)     $ 1,351.40(2)
$.01 per share                         960,630                         $39.66(3)             $38,098,585.80(3)     $10,058.03(3)

1995 Stock Plan
Common Stock, par value                969,453                         $ 1.06(4)             $ 1,027,620.18(4)    $   271.30(4)
$.01 per share

</TABLE>

(1) Also  registered  hereunder are such  additional  number of shares of Common
Stock, presently indeterminable, as may be necessary to satisfy the antidilution
provisions of the Plans to which this Registration Statement relates.

(2) Computed solely for the purpose of calculating the registration fee under
rule 457(h) under the Securities Act on the basis of the weighted average
exercise price.

(3) Computed  solely for the purpose of calculating the  registration  fee under
Rule 457(h) under the Securities Act on the basis of the average of the high and
low prices of the Common Stock on the Nasdaq National Market on March 1, 2000.

(4) Computed solely for the purpose of calculating the registration  fee under
Rule 457(h) under the Securities Act on the basis of the maximum per share
exercise price.


<PAGE>


                                     PART I

                   INFORMATION NOT REQUIRED IN THE PROSPECTUS

ITEM 1.  PLAN INFORMATION

         Not filed as part of this  Registration  Statement  pursuant to Note to
Part 1 of Form S-8.

ITEM 2.  REGISTRATION INFORMATION AND EMPLOYEE PLAN ANNUAL INFORMATION

         Not filed as part of this  Registration  Statement  pursuant to Note to
Part 1 of Form S-8.

                                     PART II

               INFORMATION REQUIRED IN THE REGISTRATION STATEMENT

ITEM 3. INCORPORATION OF DOCUMENTS BY REFERENCE

         Andover.Net,  Inc. (the "Company" or "Andover.Net") hereby incorporates
by reference the  documents  listed in (a) through (c) below.  In addition,  all
documents subsequently filed by Andover.Net pursuant to Section 13(a), 13(c), 14
and 15(d) of the  Securities  Exchange  Act of 1934  (prior  to the  filing of a
Post-Effective  Amendment which indicates that all securities  offered have been
sold or which  deregisters all securities then remaining unsold) shall be deemed
to be incorporated by reference in this Registration  Statement and to be a part
thereof  from the date of  filing of such  documents.  Any  statement  contained
herein or in a document  incorporated  or deemed to be incorporated by reference
herein  shall be  deemed to be  modified  or  superseded  for  purposes  of this
Registration Statement to the extent that a statement contained herein or in any
other subsequently filed documents which also is or is deemed to be incorporated
by reference herein modifies or supersedes such earlier statement. Any statement
so  modified  or  superseded  shall  not be  deemed,  except as so  modified  or
superseded,  to constitute a part of this Registration  Statement,  except as so
modified or superseded.

     (a)  Andover.Net's  Prospectus  filed  pursuant  to Rule  424(b)  under the
Securities Act of 1933 on December 8, 1999.

     (b) All other  reports  filed  pursuant  to  Section  13(a) or 15(d) of the
Securities Exchange Act of 1934 since December 8, 1999.

         (c) The description of Andover.Net's Common Stock which is contained in
the  Registration  Statement  filed by Andover.Net on December 2, 1999 under the
Securities Exchange Act of 1934, including any amendment or report filed for the
purpose of updating such description.

ITEM 4. DESCRIPTION OF SECURITIES

Inapplicable.

ITEM 5. INTERESTS OF NAMED EXPERTS AND COUNSEL

         The validity of the  authorization and issuance of the shares of Common
Stock  offered  hereby will be passed  upon by  Hutchins,  Wheeler & Dittmar,  A
Professional Corporation, Boston, Massachusetts, counsel to Andover.Net. Certain
members  of  Hutchins,  Wheeler  & Dittmar  may be  deemed to have a  beneficial
interest in an aggregate of 6,247 shares of Common Stock.  David P. Kreisler,  a
member of Hutchins, Wheeler & Dittmar, is also the Secretary of Andover.Net.


<PAGE>

ITEM 6. INDEMNIFICATION OF DIRECTORS AND OFFICERS

         As permitted by the Delaware General  Corporation Law,  Andover.Net has
included in its  certificate  of  incorporation  a provision  to  eliminate  the
personal  liability of its directors for monetary  damages for breach or alleged
breach of their fiduciary duties as directors, other than breaches of their duty
of loyalty,  actions not in good faith or which involve intentional  misconduct,
or transactions from which they derive improper  personal benefit.  In addition,
its bylaws  provide that  Andover.Net  is required to indemnify its officers and
directors under certain  circumstances,  including those  circumstances in which
indemnification would otherwise be discretionary, and Andover.Net is required to
advance  expenses to its officers and directors as incurred in  connection  with
proceedings  against  them  for  which  they  may be  indemnified.  At  present,
Andover.Net  is not aware of any pending or threatened  litigation or proceeding
involving its directors,  officers, employees or agents in which indemnification
would be required or permitted.  Andover.Net  believes that its  certificate  of
incorporation provisions and indemnification agreements are necessary to attract
and retain qualified persons as directors and officers.

         In  addition  to  indemnification  provisions  in  its  certificate  of
incorporation  and bylaws,  Andover.Net has entered into agreements to indemnify
its non-employee  directors.  These agreements provide for  indemnification  for
some  types  of  expenses,  including  attorneys'  fees,  judgments,  fines  and
settlement  amounts  incurred by persons in any action or proceeding,  including
any action by or in the right of Andover.Net, arising out of their services as a
director of Andover.Net.

         Andover.Net  has  purchased  insurance  with  respect  to,  among other
things,  the liabilities that may arise under the provisions  referred to above.
The  directors  and officers of  Andover.Net  also are insured  against  certain
liabilities,  including certain  liabilities arising under the Securities Act of
1933, as amended, which might be incurred by them in such capacities and against
which they are not indemnified by Andover.Net.

ITEM 7. EXEMPTION FROM REGISTRATION CLAIMED

Inapplicable.

ITEM 8. EXHIBITS

Exhibit
Number

4.1      Andover.Net, Inc. 1999 Stock Option Plan.

4.2      Andover Advanced Technologies, Inc. 1995 Stock Plan.

4.3*     Amended and Restated Certificate of Incorporation of the Registrant.

4.4**    Amended and Restated Bylaws of the Registrant.

5.1      Opinion of Hutchins, Wheeler & Dittmar, A Professional Corporation.

23.1     Consent of Arthur Andersen LLP Boston, Independent Accountants
         regarding Andover.Net, Inc.

23.2     Consent of Hutchins, Wheeler & Dittmar, A Professional Corporation.
           (included in Exhibit 5.1).

24.1     Powers of Attorney (included on the signature page of this
            Registration Statement).
- -------------------------
* Filed as Exhibit 3.1 to Registrant's Registration Statement on Form S-1 (File
  No. 33-87257) and incorporated herein by reference.

** Filed as Exhibit 3.2 to Registrant's Registration Statement on Form S-1
   (File No. 33-87257) and incorporated herein by reference.


<PAGE>
ITEM 9. UNDERTAKINGS

        The undersigned registrant hereby undertakes the following:

       (a)        The undersigned registrant hereby undertakes:

                (1) To file,  during  any  period  in which  offers or sales are
being made, a post-effective amendment to this Registration Statement:

     (i)  To  include  any  prospectus  required  by  Section  10(a)(3)  of  the
Securities Act of 1933;

     (ii) To reflect in the  prospectus  any facts or events  arising  after the
effective date of the Registration  Statement (or the most recent post-effective
amendment  thereof)  which,  individually  or  in  the  aggregate,  represent  a
fundamental  change in the information set forth in the Registration  Statement.
Notwithstanding the foregoing,  any increase or decrease in volume of securities
offered (if the total dollar value of  securities  offered would not exceed that
which  was  registered)  and any  deviation  from  the  low or  high  end of the
estimated  maximum  offering  range may be reflected  in the form of  prospectus
filed with the  Commission  pursuant  to Rule 424(b) if, in the  aggregate,  the
changes in volume and price  represent  no more than a 20% change in the maximum
aggregate  offering price set forth in the  "Calculation  of  Registration  Fee"
table in the effective Registration Statement;

     (iii) To  include  any  material  information  with  respect to the plan of
distribution  not  previously  disclosed  in the  Registration  Statement or any
material change to such information in the Registration Statement.

         Provided,  however,  that  paragraphs  (a)(1)(i) and  (a)(1)(ii) do not
apply if the information  required to be included in a post-effective  amendment
by those  paragraphs is contained in periodic  reports  filed by the  registrant
pursuant to Section 13 or Section 15(d) of the  Securities  Exchange Act of 1934
that are incorporated by reference in the Registration Statement.

                (2) That, for the purpose of determining any liability under the
Securities Act of 1933, each such post-effective amendment shall be deemed to be
a new Registration Statement relating to the securities offered therein, and the
offering of such  securities at that time shall be deemed to be the initial bona
fide offering thereof.

                (3) To remove  from  registration  by means of a  post-effective
amendment  any of the  securities  being  registered  which remain unsold at the
termination of the offering.

       (b) The undersigned  registrant  hereby  undertakes that, for purposes of
determining  any liability  under the Securities Act of 1933, each filing of the
registrant's  annual  report  pursuant to Section  13(a) or Section 15(d) of the
Securities  Exchange  Act of 1934  (and,  where  applicable,  each  filing of an
employee  benefit  plan's  annual  report  pursuant  to  Section  15(d)  of  the
Securities  Exchange  Act of 1934)  that is  incorporated  by  reference  in the
Registration  Statement  shall  be  deemed  to be a new  registration  statement
relating to the securities offered therein,  and the offering of such securities
at that time shall be deemed to be the initial bona fide offering thereof.

       (c) The  undersigned  registrant  hereby  undertakes,  that,  insofar  as
indemnification  for liabilities arising under the Securities Act of 1933 may be
permitted to  directors,  officers  and  controlling  persons of the  registrant
pursuant to the foregoing  provisions,  or otherwise,  the  registrant  has been
advised  that in the opinion of the  Securities  and  Exchange  Commission  such
indemnification  is  against  public  policy  as  expressed  in the  Act and is,
therefore,  unenforceable. In the event that a claim for indemnification against
such liabilities  (other than the payment by the registrant of expenses incurred
or paid by a director,  officer or  controlling  person of the registrant in the
successful  defense of any  action,  suit or  proceeding)  is  asserted  by such
director,  officer or controlling person in connection with the securities being
registered, the registrant will, unless in the opinion of its counsel the matter
has been  settled by  controlling  precedent,  submit to a court of  appropriate
jurisdiction the question whether such  indemnification  by it is against public
policy as expressed in the Act and will be governed by the final adjudication of
such issue.


<PAGE>


                                   SIGNATURES

         Pursuant  to the  requirements  of the  Securities  Act  of  1933,  the
Registrant certifies that it has reasonable grounds to believe that it meets all
of the requirements for filing on Form S-8 and has duly caused this Registration
Statement  to be  signed  on its  behalf  by  the  undersigned,  thereunto  duly
authorized,  in the City of Acton,  Commonwealth  of  Massachusetts  on March 8,
2000.

                                                 ANDOVER.NET, INC.

                                                 By: /s/ Bruce A. Twickler

                                                 Bruce A. Twickler
                                                 President

         KNOW ALL MEN BY THESE PRESENTS that each person whose signature appears
below constitutes and appoints Bruce A. Twickler and Peter A. Phelps and each of
them,   with  the  power  to  act  without  the  other,   his  true  and  lawful
attorney-in-fact  and agent, with full power of substitution and resubstitution,
for him or in his name,  place and stead,  in any and all capacities to sign any
and all amendments or post-effective  amendments to this Registration Statement,
and to file  the  same,  with all  exhibits  thereto,  and  other  documents  in
connection therewith, with the Securities and Exchange Commission, granting unto
said  attorney-in-fact and agents, and each of them, full power and authority to
do and perform each and every act and thing requisite or necessary to be done in
and about the  premises,  as fully to all  intents  and  purposes as he might or
could  do  in  person,   hereby   ratifying   and   confirming   all  that  said
attorney-in-fact and agents or either of them, or their or his substitutes,  may
lawfully do or cause to be done by virtue hereof.

         Pursuant  to the  requirements  of the  Securities  Act of  1933,  this
Registration  Statement  has  been  signed  by  the  following  persons  in  the
capacities and on the dates indicated.
<TABLE>
<CAPTION>

         Signature                                   Title                                         Date
<S>                                                  <C>                                           <C>

/s/ Bruce A. Twickler                                President, Chief Executive Officer and        March 8, 2000
- ---------------------------
Bruce A. Twickler                                    Chairman of the Board (principal executive
                                                     officer)

/s/ Peter A. Phelps                                  Chief Financial Officer, (principal           March 8, 2000
- ---------------------------
Peter A. Phelps                                      financial officer)

/s/ Walter M. Bird, III                              Director                                      March 8, 2000
- ---------------------------
Walter M. Bird, III

/s/ James D. Logan                                   Director                                      March 8, 2000
- ---------------------------
James D. Logan

/s/ Louis Page                                       Director                                      March 8, 2000
- ---------------------------
Louis Page

/s/ John E. Trombly                                  Director                                      March 8, 2000
- ---------------------------
John E. Trombly

/s/ Thomas R. Shepherd                               Director                                      March 8, 2000
- ---------------------------
Thomas R. Shepherd

/s/ Robert Malda                                     Director                                      March 8, 2000
- ------------------------------------
Robert Malda

/s/ Jonathan M. Goldstein                            Director                                      March 8, 2000
- -------------------------
Jonathan M. Goldstein
</TABLE>
<PAGE>
                                INDEX TO EXHIBITS

Exhibit
Number

4.1      Andover.Net, Inc. 1999 Stock Option Plan.

4.2      Andover Advanced Technologies, Inc. 1995 Stock Plan.

4.3*       Amended and Restated Certificate of Incorporation of the Registrant.

4.4**      Amended and Restated Bylaws of the Registrant.

5.1        Opinion of Hutchins, Wheeler & Dittmar, A Professional Corporation.

23.1       Consent of Arthur Andersen LLP Boston, Independent Accountants
           regarding Andover.Net, Inc.

23.3       Consent of Hutchins, Wheeler & Dittmar, A Professional Corporation
           (included in Exhibit 5.1).

24.1       Powers of Attorney (included on the signature page of this
            Registration Statement).
- -------------------------
* Filed as Exhibit 3.1 to Registrant's Registration Statement on Form S-1
  (File No. 33-87257) and incorporated herein by reference.

** Filed as Exhibit 3.2 to Registrant's Registration Statement on Form S-1
   (File No. 33-87257) and incorporated herein by reference.


                                                                  EXHIBIT 4.1

                                ANDOVER.NET, INC.
                             1999 STOCK OPTION PLAN

         1.       Purpose of the Plan.
                  -------------------
         This stock option plan (the "Plan") is intended to encourage  ownership
of the stock of  Andover.Net,  Inc., a Delaware  corporation  (the "Company") by
employees,  consultants  and  advisors of the Company and its  subsidiaries,  to
induce  qualified  personnel to enter and remain in the employ of the Company or
its subsidiaries and otherwise to provide additional  incentive for optionees to
promote the success of its business.

         2.       Stock Subject to the Plan.
                  -------------------------
         (a) The  total  number  of shares of the  authorized  but  unissued  or
Treasury  shares of the common stock,  par value $.01 per share,  of the Company
("Common  Stock")  for which  options  may be  granted  under the Plan shall not
exceed eighty six thousand four hundred (86,400)  shares,  subject to adjustment
as provided in Section 12 hereof.

         (b) If an option  granted  hereunder  shall expire or terminate for any
reason  without  having  vested  fully or having  been  exercised  in full,  the
unvested and/or  unpurchased shares subject thereto shall again be available for
subsequent option grants under the Plan.

         (c) Stock  issuable upon  exercise of an option  granted under the Plan
may be subject to such  restrictions  on  transfer,  repurchase  rights or other
restrictions as shall be determined by the Committee.

         3.       Administration of the Plan.
                  --------------------------
         At the discretion of the Company's  Board of Directors,  the Plan shall
be administered either (i) by the full Board of Directors of the Company or (ii)
by a  committee  (the  "Committee")  consisting  of two or more  members  of the
Company's  Board of  Directors.  In the event the full Board of Directors is the
administrator of the Plan, references herein to the Committee shall be deemed to
include the full Board of  Directors.  The Board of  Directors  may from time to
time  appoint a member or members of the  Committee  in  substitution  for or in
addition to the member or members  then in office and may fill  vacancies on the
Committee  however  caused.  The  Committee  shall  choose one of its members as
Chairman  and shall  hold  meetings  at such  times and  places as it shall deem
advisable.  A majority of the members of the Committee shall constitute a quorum
and any  action may be taken by a majority  of those  present  and voting at any
meeting.

         Any action may also be taken  without the  necessity  of a meeting by a
written  instrument  signed by a majority of the Committee.  The decision of the
Committee as to all  questions of  interpretation  and  application  of the Plan
shall be final,  binding and conclusive on all persons. The Committee shall have
the authority to adopt,  amend and rescind such rules and regulations as, in its
opinion,  may be advisable in the  administration of the Plan. The Committee may
correct any defect or supply any omission or reconcile any  inconsistency in the
Plan or in any  option  agreement  granted  hereunder  in the  manner and to the
extent it shall deem  expedient  to carry the Plan into  effect and shall be the
sole and final judge of such expediency. No Committee member shall be liable for
any action or determination made in good faith.
<PAGE>
         4.       Type of Options.
                  ---------------
         Options  granted  pursuant to the Plan shall be authorized by action of
the Committee and may be designated as either  incentive  stock options  meeting
the requirements of Section 422 of the Internal Revenue Code of 1986, as amended
(the  "Code"),  or  non-qualified  options  which are not  intended  to meet the
requirements  of such Section 422 of the Code, the designation to be in the sole
discretion of the Committee.  The Plan shall be administered by the Committee in
such manner as to permit options to qualify as incentive stock options under the
Code.

         5.       Eligibility.
                  -----------
         Options  designated as incentive stock options shall be granted only to
employees  (including  officers and  directors  who are also  employees)  of the
Company or any of its  subsidiaries,  including  subsidiaries  which become such
after adoption of the Plan. Options  designated as non-qualified  options may be
granted to  officers,  employees,  consultants,  advisors  and  directors of the
Company or of any of its subsidiaries,  including subsidiaries which become such
after adoption of the Plan.  "Subsidiary" or "subsidiaries"  shall be as defined
in Section 424 of the Code and the Treasury Regulations  promulgated  thereunder
(the "Regulations").

         The Committee shall, from time to time, at its sole discretion,  select
from such eligible  individuals those to whom options shall be granted and shall
determine the number of shares to be subject to each option.  In determining the
eligibility of an individual to be granted an option,  as well as in determining
the number of shares to be granted to any individual,  the Committee in its sole
discretion  shall take into  account the position  and  responsibilities  of the
individual  being  considered,  the  nature  and  value  to the  Company  or its
subsidiaries of his or her service and  accomplishments,  his or her present and
potential  contribution to the success of the Company or its  subsidiaries,  and
such other factors as the Committee may deem relevant.

         No option  designated as an incentive  stock option shall be granted to
any employee of the Company or any subsidiary if such employee owns, immediately
prior to the grant of an  option,  stock  possessing  more than 10% of the total
combined voting power of all classes of stock of the Company or of a parent or a
subsidiary,  unless the purchase  price for the stock under such option shall be
at least 110% of its fair  market  value at the time such  option is granted and
the option, by its terms, shall not be exercisable more than five years from the
date it is granted. In determining the stock ownership under this paragraph, the
provisions of Section  424(d) of the Code shall be  controlling.  In determining
the fair market value under this  paragraph,  the provisions of Section 7 hereof
shall apply.

         The maximum number of shares of the Company's Common Stock with respect
to which an option or options  may be granted to any  employee  in any  calendar
year shall not exceed eighty six thousand four hundred (86,400)  shares,  taking
into account  shares  subject to options  granted and  terminated,  or repriced,
during such calendar year.
<PAGE>
         6.       Option Agreement.
                  ----------------
         Each option shall be evidenced by an option agreement (the "Agreement")
duly  executed on behalf of the Company and by the  optionee to whom such option
is granted,  which  Agreement  shall comply with and be subject to the terms and
conditions of the Plan.  The Agreement may contain such other terms,  provisions
and conditions which are not inconsistent  with the Plan as may be determined by
the Committee, provided that options designated as incentive stock options shall
meet all of the conditions for incentive stock options as defined in Section 422
of the  Code.  The date of  grant of an  option  shall be as  determined  by the
Committee. More than one option may be granted to an individual.

         7.       Option Price.
                  ------------
         The option price or prices of shares of the Company's  Common Stock for
options designated as non-qualified  stock options shall be as determined by the
Committee.  The option price or prices of shares of the  Company's  Common Stock
for incentive stock options shall be not less than the fair market value of such
Common Stock at the time the option is granted as determined by the Committee in
accordance  with the Regulations  promulgated  under Section 422 of the Code. If
such shares are then listed on any national securities exchange, the fair market
value shall be the mean  between the high and low sales  prices,  if any, on the
largest such exchange on the date of the grant of the option or, if none,  shall
be determined by taking a weighted  average of the means between the highest and
lowest  sales  prices on the nearest  date before and the nearest date after the
date of grant in accordance with Treasury Regulations Section 25.2512-2.  If the
shares are not then listed on any such  exchange,  the fair market value of such
shares  shall be the mean  between  the high and low sales  prices,  if any,  as
reported in the National  Association of Securities Dealers Automated  Quotation
National Market  ("NASDAQ/NM")  for the date of the grant of the option,  or, if
none,  shall be determined by taking a weighted average of the means between the
highest and lowest  sales on the nearest  date before and the nearest date after
the date of grant in accordance with Treasury Regulations Section 25.2512-2.  If
the  shares  are not then  either  listed  on any such  exchange  or  quoted  in
NASDAQ/NM,  the fair market  value shall be the mean  between the average of the
"Bid" and the average of the "Ask"  prices,  if any, as reported in the National
Daily  Quotation  Service for the date of the grant of the option,  or, if none,
shall be  determined  by taking a  weighted  average  of the means  between  the
highest and lowest  sales prices on the nearest date before and the nearest date
after  the  date of  grant  in  accordance  with  Treasury  Regulations  Section
25.2512-2.  If the fair market value cannot be  determined  under the  preceding
three sentences, it shall be determined in good faith by the Committee.

         8.       Manner of Payment; Manner of Exercise.
                  -------------------------------------
         (a) Options  granted  under the Plan may provide for the payment of the
exercise price,  as determined by the Committee,  and as set forth in the Option
Agreement,  by  delivery  of (i)  cash or a check  payable  to the  order of the
Company in an amount equal to the exercise price of such options, (ii) shares of
Common  Stock of the Company  owned by the  optionee  having a fair market value
equal in amount to the exercise price of the options being exercised,  (iii) any
combination  of (i) and (ii),  provided,  however,  that payment of the exercise
price by  delivery  of  shares  of  Common  Stock of the  Company  owned by such
optionee  may be made  only if such  payment  does not  result  in a  charge  to
earnings for  financial  accounting  purposes as  determined by the Committee or
(iv) by delivery of a properly executed exercise notice to the Company, together
with a copy of irrevocable  instruments  to a broker to deliver  promptly to the
Company the amount of sale or loan proceeds to pay the exercise price.  The fair
market value of any shares of the Company's  Common Stock which may be delivered
upon  exercise of an option shall be  determined  by the Committee in accordance
with Section 7 hereof.  To facilitate  clause (iv) above,  the Company may enter
into agreements for coordinated procedures with one or more brokerage firms. The
date of  exercise  shall be the date of  delivery  of such  exercise  notice  or
payment.

<PAGE>

         (b) To the extent that the right to purchase shares under an option has
accrued  and is in effect,  options may be  exercised  in full at one time or in
part  from time to time,  by  giving  written  notice,  signed by the  person or
persons exercising the option, to the Company, stating the number of shares with
respect to which the option is being  exercised,  accompanied by payment in full
for such shares as  provided  in  subparagraph  (a) above.  Upon such  exercise,
delivery of a certificate for paid-up non-assessable shares shall be made at the
principal  office of the Company to the person or persons  exercising the option
at such time,  during ordinary  business hours, not more than ten (10) days from
the date of receipt of the notice by the Company, as shall be designated in such
notice,  or at such time,  place and manner as may be agreed upon by the Company
and the person or persons exercising the option. Upon exercise of the option and
payment as provided  above,  the  optionee  shall  become a  shareholder  of the
Company as to the Shares acquired upon such exercise.

         9.       Exercise of Options.
                  -------------------
         Each option granted under the Plan shall,  subject to Section 10(b) and
Section 12 hereof,  be  exercisable at such time or times and during such period
as  determined  by the  Committee  which  shall be set  forth in the  Agreement;
provided,  however,  that no option  granted under the Plan shall have a term in
excess of ten (10) years from the date of grant.

         To the extent that an option to purchase  shares is not exercised by an
optionee when it becomes initially exercisable, it shall not expire but shall be
carried  forward and shall be  exercisable,  on a  cumulative  basis,  until the
expiration of the exercise period. No partial exercise may be made for less than
fifty (50) full shares of Common Stock.

         Notwithstanding  the  foregoing,  the Committee  may in its  discretion
accelerate the exercisability of any option subject to such terms and conditions
as  the  Committee   deems  necessary  and  appropriate.
<PAGE>
10.  Term  of  Options; Exercisability.

         (a)      Term.
                  ----
                  (1) Each option shall expire not more than ten (10) years from
the date of the granting thereof, but shall be subject to earlier termination as
herein provided.

                  (2) Except as otherwise provided in this Section 10, an option
granted to any employee  optionee who ceases to be an employee of the Company or
one of its  subsidiaries  shall  terminate 60 days after the date such  optionee
ceases to be an employee of the  Company or one of its  subsidiaries,  or on the
date on which the option expires by its terms, whichever occurs first.

                  (3) If such  termination of employment is because of dismissal
for cause or because the employee is in breach of any employment agreement, such
option will  terminate on the date the optionee  ceases to be an employee of the
Company or one of its subsidiaries.

                  (4) If such  termination of employment is because the optionee
has become  permanently  disabled (within the meaning of Section 22(e)(3) of the
Code), such option shall terminate on the last day of the twelfth month from the
date such optionee ceases to be an employee,  or on the date on which the option
expires by its terms, whichever occurs first.

                  (5) In the  event of the  death of any  optionee,  any  option
granted to such  optionee  shall  terminate on the last day of the twelfth month
from the date of death, or on the date on which the option expires by its terms,
whichever occurs first.

                  (6) Notwithstanding subparagraphs (2), (3), (4) and (5) above,
the  Committee  shall have the  authority to extend the  expiration  date of any
outstanding  option  in  circumstances  in  which  it deems  such  action  to be
appropriate,  provided that no such extension shall extend the term of an option
beyond the date on which the option would have expired if no  termination of the
optionee's employment had occurred.
<PAGE>
         (b)      Exercisability.
                  --------------
                  (1) Except as provided below, an option granted to an employee
optionee who ceases to be an employee of the Company or one of its  subsidiaries
shall be exercisable  only to the extent that the right to purchase shares under
such option has accrued and is in effect on the date such optionee  ceases to be
an employee of the Company or one of its subsidiaries.

                  (2) An option granted to an employee optionee who ceases to be
an  employee  of the  Company or one of its  subsidiaries  because he or she has
become permanently  disabled,  as defined in Section 22(e)(3) of the Code, shall
be  exercisable  by such person or his or her legal  representative  only to the
extent that the right to purchase shares under such option has accrued and is in
effect on the date such optionee  ceases to be an employee of the Company or one
of its subsidiaries.

                  (3) In the  event of the  death of any  optionee,  the  option
granted to such  optionee may be exercised  only to the extent that the right to
purchase shares under such option is accrued and is in effect on the date of the
death of such  optionee  by the  estate of such  optionee,  or by any  person or
persons who acquired the right to exercise such option by bequest or inheritance
or by reason of the death of such optionee.

         11.      Options Not Transferable.
                  ------------------------
         The right of any optionee to exercise any option  granted to him or her
shall not be assignable or transferable by such optionee  otherwise than by will
or the laws of descent and  distribution,  except that an optionee  may transfer
options  that  are  not  incentive  stock  options  granted  under  Plan  to the
optionee's  spouse or children or to a trust or family  limited  partnership  or
similar  organization  established  for the sole  benefit  of one or more of the
optionee, the optionee's spouse or the optionee's children; provided, that prior
to any  registration by the Company under the Securities Act of 1933, as amended
(the  "Securities  Act"), no optionee shall assign or transfer any option if the
result of such assignment or transfer shall be to increase, upon exercise of the
option,  the total number of holders of Common Stock  without the prior  written
consent of the  Committee,  which consent may be withheld by the Committee if it
reasonably  believes that  withholding  such consent will reduce the  likelihood
that the  Company  would be  required  to  register  its Common  Stock under the
Securities Act. Incentive stock options shall be exercisable during the lifetime
of such  optionee  only by him/her.  Any option  granted under the Plan shall be
null and void and without effect upon the bankruptcy of the optionee to whom the
option is granted,  or upon any  attempted  assignment  or  transfer,  except as
herein provided, including without limitation any purported assignment,  whether
voluntary or by operation of law, pledge,  hypothecation  or other  disposition,
attachment,  divorce,  trustee  process or  similar  process,  whether  legal or
equitable, upon such option.
<PAGE>
         12.      Recapitalizations, Reorganizations and the Like.
                  -----------------------------------------------
         (a) In the event that the outstanding shares of the Common Stock of the
Company are changed into or exchanged  for a different  number or kind of shares
or other  securities of the Company or of another  corporation  by reason of any
reorganization, merger, consolidation, recapitalization, reclassification, stock
split-up,  combination  of  shares,  or  dividends  payable  in  capital  stock,
appropriate  adjustment  shall be made in the  number  and kind of  shares as to
which options may be granted under the Plan and as to which outstanding  options
or portions thereof then unexercised  shall be exercisable,  to the end that the
proportionate  interest  of the  optionee  shall be  maintained  as  before  the
occurrence of such event;  such adjustment in outstanding  options shall be made
without change in the total price applicable to the unexercised  portion of such
options and with a corresponding adjustment in the option price per share.

         (b) In addition,  unless  otherwise  determined by the Committee in its
sole discretion,  in the case of any (i) sale or conveyance to another entity of
all or substantially  all of the property and assets of the Company,  including,
without limitation, by way of merger or consolidation, or (ii) Change in Control
(as  hereinafter  defined) of the Company,  the  purchaser(s)  of the  Company's
assets or stock may, in his, her or its discretion,  deliver to the optionee the
same kind of consideration  that is delivered to the shareholders of the Company
as a result of such sale,  conveyance  or Change in Control,  the  Committee may
cancel all outstanding  options in exchange for consideration in cash or in kind
which  consideration  shall be equal in value to the  value of those  shares  of
stock or other  securities  the optionee would have received had the option been
exercised  (to the extent then  exercisable)  and no  disposition  of the shares
acquired upon such  exercise been made prior to such sale,  conveyance or Change
in Control,  less the option price therefor.  Upon receipt of such consideration
by the  optionee,  his or her option shall  immediately  terminate  and be of no
further  force  and  effect.  The  value of the  stock or other  securities  the
optionee  would  have  received  if the  option  had  been  exercised  shall  be
determined  in good  faith by the  Committee,  and in the case of  shares of the
Common Stock of the Company,  in  accordance  with the  provisions  of Section 7
hereof.  The  Committee  shall also have the power and right to  accelerate  the
exercisability of any options,  notwithstanding  any limitations in this Plan or
in the Agreement  upon such a sale,  conveyance or Change in Control.  Upon such
acceleration,  any options or portion thereof originally designated as incentive
stock  options that no longer  qualify as incentive  stock options under Section
422 of the Code as a  result  of such  acceleration  shall  be  redesignated  as
non-qualified  stock  options.  A "Change  in  Control"  shall be deemed to have
occurred if any person,  together with all affiliates of such person or persons,
who  prior  to such  time  owned  less  than  thirty  percent  (30%) of the then
outstanding  Common Stock of the Company,  shall  acquire,  whether by purchase,
exchange,  tender offer,  merger,  consolidation  or otherwise,  such additional
shares of the Company's Common Stock in one or more  transactions,  or series of
transactions,  such that following such transaction or transactions, such person
and  affiliates  beneficially  own fifty  percent (50%) or more of the Company's
Common Stock outstanding;  provided,  that in no event shall the consummation of
an initial public offering by the Company constitute a Change of Control.
<PAGE>
         (c) Upon dissolution or liquidation of the Company, all options granted
under  this Plan  shall  terminate,  but each  optionee  (if at such time in the
employ of or otherwise  associated with the Company or any of its  subsidiaries)
shall have the right,  immediately prior to such dissolution or liquidation,  to
exercise his or her option to the extent then exercisable.

         (d) No fraction of a share shall be purchasable or deliverable upon the
exercise of any option, but in the event any adjustment  hereunder of the number
of shares covered by the option shall cause such number to include a fraction of
a share,  such fraction shall be adjusted to the nearest smaller whole number of
shares.

         13.      No Special Employment Rights.
                  ----------------------------
         Nothing  contained in the Plan or in any option  granted under the Plan
shall confer upon any option  holder any right with respect to the  continuation
of his or her employment by the Company (or any  subsidiary) or interfere in any
way with the right of the Company (or any  subsidiary),  subject to the terms of
any separate employment agreement to the contrary, at any time to terminate such
employment or to increase or decrease the compensation of the option holder from
the  rate in  existence  at the  time of the  grant  of an  option.  Whether  an
authorized leave of absence, or absence in military or government service, shall
constitute termination of employment shall be determined by the Committee at the
time.

         14.      Withholding.
                  -----------
         The  Company's  obligation  to deliver  shares upon the exercise of any
option  granted  under the Plan and any payments or transfers  under  Section 12
hereof shall be subject to the option  holder's  satisfaction  of all applicable
Federal,  state  and  local  income,  excise,   employment  and  any  other  tax
withholding requirements.
<PAGE>
         15.      Restrictions on Issue of Shares.
                  -------------------------------
         (a)  Notwithstanding the provisions of Section 8, the Company may delay
the issuance of shares  covered by the exercise of an option and the delivery of
a  certificate  for such shares until one of the following  conditions  shall be
satisfied:

     (i) The shares with respect to which such option has been  exercised are at
the time of the issue of such shares  effectively  registered or qualified under
applicable  Federal  and  state  securities  acts now in  force or as  hereafter
amended;  or

     (ii)  Counsel for the Company  shall have given an opinion,  which  opinion
shall not be unreasonably  conditioned or withheld,  that such shares are exempt
from  registration  and  qualification   under  applicable   Federal  and  state
securities acts now in force or as hereafter amended.

         (b) It is intended  that all  exercises of options  shall be effective,
and the Company  shall use its best efforts to bring about  compliance  with the
above  conditions  within a reasonable  time,  except that the Company  shall be
under no obligation to qualify shares or to cause a registration  statement or a
post-effective  amendment to any  registration  statement to be prepared for the
purpose  of  covering  the issue of shares in respect of which any option may be
exercised, except as otherwise agreed to by the Company in writing.

  16.      Purchase for Investment; Rights of Holder on Subsequent Registration.
           --------------------------------------------------------------------
         Unless the shares to be issued upon exercise of an option granted under
the Plan have been  effectively  registered under the Securities Act of 1933, as
now in force or hereafter  amended,  the Company shall be under no obligation to
issue any  shares  covered by any option  unless the person who  exercises  such
option, in whole or in part, shall give a written representation and undertaking
to the  Company  which is  satisfactory  in form and  scope to  counsel  for the
Company  and upon  which,  in the  opinion  of such  counsel,  the  Company  may
reasonably  rely, that he or she is acquiring the shares issued pursuant to such
exercise of the option for his or her own account as an investment  and not with
a view to, or for sale in connection  with, the distribution of any such shares,
and that he or she will make no transfer of the same except in  compliance  with
any  rules  and  regulations  in force at the time of such  transfer  under  the
Securities  Act of 1933,  or any other  applicable  law,  and that if shares are
issued without such  registration,  a legend to this effect may be endorsed upon
the  securities so issued.  In the event that the Company  shall,  nevertheless,
deem it necessary or desirable to register  under the  Securities Act of 1933 or
other applicable  statutes any shares with respect to which an option shall have
been exercised,  or to qualify any such shares for exemption from the Securities
Act of 1933 or other applicable statutes,  then the Company may take such action
and may require from each  optionee such  information  in writing for use in any
registration  statement,   supplementary  registration  statement,   prospectus,
preliminary  prospectus or offering circular as is reasonably necessary for such
purpose and may require reasonable indemnity to the Company and its officers and
directors and controlling  persons from such holder against all losses,  claims,
damages and  liabilities  arising from such use of the  information so furnished
and caused by any untrue statement of any material fact therein or caused by the
omission to state a material fact required to be stated  therein or necessary to
make the  statements  therein not  misleading in the light of the  circumstances
under which they were made.
<PAGE>
         17.      Loans.
                  -----
         The  Company  may make loans to  optionees  to permit  them to exercise
options. If loans are made, the requirements of all applicable Federal and state
laws and regulations regarding such loans must be met.

         18.      Modification of Outstanding Options.
                  -----------------------------------
         The Committee may  authorize  the amendment of any  outstanding  option
with the  consent of the  optionee  when and subject to such  conditions  as are
deemed to be in the best  interests  of the Company and in  accordance  with the
purposes of this Plan.

         19.      Approval of Stockholders.
                  ------------------------
         The Plan  shall be  subject  to  approval  by the vote of  stockholders
holding  at least a majority  of the voting  stock of the  Company  present,  or
represented,  and entitled to vote at a duly held stockholders'  meeting,  or by
written consent of the  stockholders as provided for under applicable state law,
within  twelve  (12)  months  after  the  adoption  of the Plan by the  Board of
Directors  and  shall  take  effect as of the date of  adoption  by the Board of
Directors  upon such  approval.  The  Committee may grant options under the Plan
prior to such  approval,  but any such option shall  become  effective as of the
date of grant only upon such  approval and,  accordingly,  no such option may be
exercisable prior to such approval.

         20.      Termination and Amendment.
                  -------------------------
         Unless sooner  terminated as herein provided,  the Plan shall terminate
ten (10) years  from the date upon which the Plan was duly  adopted by the Board
of Directors of the Company.  The Board of Directors  may at any time  terminate
the Plan or make such  modification or amendment  thereof as it deems advisable;
provided,  however,  that except as  provided  in this  Section 20, the Board of
Directors  may not,  without  the  approval of the  stockholders  of the Company
obtained in the manner  stated in Section  19,  increase  the maximum  number of
shares for which options may be granted or change the  designation  of the class
of persons  eligible to receive options under the Plan, or make any other change
in  the  Plan  which  requires  stockholder  approval  under  applicable  law or
regulations.
<PAGE>
         21.      Reservation of Stock.
                  --------------------
         The Company  shall at all times during the term of the Plan reserve and
keep  available  such number of shares of stock as will be sufficient to satisfy
the  requirements  of the Plan and shall pay all fees and  expenses  necessarily
incurred by the Company in connection therewith.

         22.      Limitation of Rights in the Option Shares.
                  -----------------------------------------
         An optionee  shall not be deemed for any purpose to be a stockholder of
the Company  with  respect to any of the  options  except to the extent that the
option  shall have been  exercised  with respect  thereto  and, in  addition,  a
certificate shall have been issued theretofore and delivered to the optionee.

         23.      Notices.
                  -------
Any  communication  or notice  required or  permitted to be given under the Plan
shall be in writing,  and mailed by registered or certified mail or delivered by
hand,  if to the  Company,  to  its  principal  place  of  business,  attention:
President, and, if to an optionee, to the address as appearing on the records of
the Company.


                                                                   EXHIBIT 4.2

                       ANDOVER ADVANCED TECHNOLOGIES, INC.

                                 1995 STOCK PLAN

         1.  Purpose.  This 1995 Stock Plan (the  "Plan") is intended to provide
incentives:  (a) to  the  officers  and  other  employees  of  ANDOVER  ADVANCED
TECHNOLOGIES,  INC.  (the  "Company"),  its parent  (if any) and any  present or
future  subsidiaries of the Company  (collectively,  "Related  Corporations") by
providing them with  opportunities  to purchase stock in the Company pursuant to
options  granted  hereunder  which qualify as "incentive  stock  options"  under
Section  422(b) of the Internal  Revenue  Code of 1986,  as amended (the "Code")
("ISO" or "ISOs"); (b) to directors,  officers, employees and consultants of the
Company  and  Related  Corporations  by  providing  them with  opportunities  to
purchase stock in the Company pursuant to options granted hereunder which do not
qualify as ISOs  ("Non-Qualified  Option" or  "Non-Qualified  Options");  (c) to
directors,  officers,  employees  and  consultants  of the  Company  and Related
Corporations  by providing them with awards of stock in the Company  ("Awards");
and (d) to directors,  officers,  employees and  consultants  of the Company and
Related  Corporations  by  providing  them  with  opportunities  to make  direct
purchases  of stock in the Company  ("Purchases").  Both ISOs and  Non-Qualified
Options are referred to hereafter  individually as an "Option" and  collectively
as "Options".  Options, Awards and authorizations to make Purchases are referred
to hereafter  collectively as "Stock Rights". As used herein, the terms "parent"
and  "subsidiary"  mean  "parent  corporation"  and  "subsidiary   corporation",
respectively, as those terms are defined in Section 425 of the Code.

         2.       Administration of the Plan.
                  --------------------------

         A. The Plan  shall be  administered  by the Board of  Directors  of the
Company  (the  "Board").  Members of the Board who are either (i)  eligible  for
Stock  Rights  pursuant to the Plan or (ii) have been  granted  Stock Rights may
vote on any matters affecting the administration of the Plan or the grant of any
Stock Rights pursuant to the Plan, except that no such member shall act upon the
granting  to  himself  of Stock  Rights,  but any such  member may be counted in
determining  the  existence of a quorum at any meeting of the Board during which
action  is taken  with  respect  to the  granting  to him of Stock  Rights.  All
references in the Plan to the Committee shall mean the Board if no Committee has
been appointed pursuant to subparagraphs B or C of this Section 2 below.
<PAGE>
         B. The Board may delegate its powers with respect to the administration
of the Plan to a  compensation  committee  (the  "Committee")  appointed  by the
Board, provided that such Committee shall be composed pursuant to subparagraph C
below if the  Company  registers  any class of any equity  security  pursuant to
Section 12 of the  Securities  Exchange Act of 1934,  as amended (the  "Exchange
Act").  The Committee  may select one of its members as its chairman,  and shall
hold meetings at such time and places as it may determine. Acts by a majority of
the  Committee,  or acts  reduced to or approved in writing by a majority of the
members of the Committee, shall be the valid acts of the Committee. From time to
time the Board may  increase or decrease the size of the  Committee  and appoint
additional  members thereof,  remove members (with or without cause) and appoint
new members in substitution  therefor,  fill vacancies however caused, or remove
all members of the Committee and thereafter directly administer the Plan.

         C. Notwithstanding the foregoing, if the Company registers any class of
any equity  security  pursuant to Section 12 of the Exchange Act, the Plan shall
be administered by the Committee (unless and until its members are not qualified
to serve on the Committee pursuant to the provisions of the Plan) which shall be
composed of not fewer than two (2)  members of the Board who shall be  appointed
from  time to time by the  Board.  No  member  of such  Committee  may  exercise
discretion  with respect to, or participate in, the  administration  of the Plan
if, at any time, while a member of the Committee or during the twelve (12)-month
period prior to such exercise or  participation,  he has been granted or awarded
Stock  Rights or any other  derivative  security  of the  Company  or any of its
affiliate under this Plan or any similar plan of the Company, except that:

             (a)  participation  in a  "Formula  Plan"  shall not  disqualify  a
director from being a disinterested person. A Formula Plan is a plan which:

                  (i) permits  officers  and/or  directors to receive awards and
                  either (A) states  the  amount and price of  securities  to be
                  awarded to designated  officers and directors or categories of
                  officers and directors,  though not  necessarily to others who
                  may  participate in the plan, and specifies the time of awards
                  to officers  and  directors  or (B) sets forth a formula  that
                  determines  the  amount,  price and  timing of  awards,  using
                  objective  criteria such as earnings of the Company,  value of
                  the  securities,  years of service,  job  classification,  and
                  compensation levels; and

                  (ii) provides that these plan provisions  shall not be amended
                  more than once  every six (6)  months,  other  than to comport
                  with  changes  in the Code,  the  Employee  Retirement  Income
                  Security Act ("ERISA"), or the rules thereunder;
<PAGE>
             (b) participation in an ongoing  securities  acquisition plan which
meets the  following  conditions  shall not  disqualify a director  from being a
disinterested person:

          (i) the plan provides for broad-based  employee  participation and the
     terms  of the plan do not  discriminate  in  favor  of  highly  compensated
     employees;

          (ii) officer or director  participants  making  withdrawals must cease
     further  purchases  in the plan for six (6) months,  or the  securities  so
     distributed  must be held  by the  participant  six  (6)  months  prior  to
     disposition;  provided, however, that extraordinary distributions of all of
     the Company's  securities held by the plan and  distributions in connection
     with  death,  retirement,  disability,  termination  of  employment,  or  a
     qualified  domestic  relations  order as  defined by the Code or Title I of
     ERISA, or the rules thereunder, are not subject to this requirement;

          (iii) officer or director  participants who cease participation in the
     plan may not participate again for at least six (6) months; and

          (iv) for  stock  purchase  plans  under  Section  423 of the  Internal
     Revenue Code or similar plans, where the purchase price of the stock is not
     fixed and the  participant  is not  obligated  to purchase  the stock until
     exercise of a right,  in addition to the  foregoing  conditions,  the stock
     acquired is held for six (6) months from the date the stock  purchase price
     is fixed.

             (c) an election to receive an annual retainer fee in either cash or
an equivalent amount of securities,  or partly in cash and partly in securities,
shall not disqualify a director from being a disinterested person; and

             (d)  participation  in a plan shall not  disqualify a director from
being a disinterested person for the purpose of administering  another plan that
does not permit participation by directors.
<PAGE>
         Members  of  the   Committee   shall  be  subject  to  any   additional
restrictions   necessary   to  satisfy  the   requirements   for   disinterested
administration of the Plan as set forth in Rule 16b-3 under the Exchange Act, as
it may be amended from time to time.  If at any time any member of the Committee
does  not  satisfy  such  disinterested  administration  requirements,  no stock
options  shall be granted  under the Plan to any director or officer  until such
time as all members of the Committee satisfy such requirements.

         D. Subject to ratification of the grant or  authorization of each Stock
Right by the Board (if so required by applicable  state law), and subject to the
terms of the Plan, the Committee,  if so appointed,  shall have the authority to
(i) determine the employees of the Company and Related  Corporations (from among
the class of employees  eligible under paragraph 3 to receive ISOs) to whom ISOs
may be  granted,  and to  determine  (from  among the class of  individuals  and
entities eligible under paragraph 3 to receive  Non-Qualified Options and Awards
and to make Purchases) to whom Non-Qualified Options,  awards and authorizations
to make  Purchases  may be granted;  (ii)  determine  the time or times at which
Options or Awards may be granted or Purchases  made;  (iii) determine the option
price of shares  subject to each Option,  which price shall not be less than the
minimum price of shares  subject to each Purchase;  (iv) determine  whether each
Option granted shall be an ISO or a Non-Qualified Option; (v) determine (subject
to paragraph 7) the time or times when each Option shall become  exercisable and
the duration of the exercise period; (vi) determine whether restrictions such as
repurchase  options are to be imposed on shares  subject to Options,  Awards and
Purchases and the nature of such  restrictions,  if any; and (vii) interpret the
Plan and  prescribe  and rescind  rules and  regulations  relating to it. If the
Committee  determines to issue a  Non-Qualified  Option,  it shall take whatever
actions it deems  necessary,  under Section 422 of the Code and the  regulations
promulgated thereunder, to ensure that such Option is not treated as an ISO. The
interpretation  and  construction by the Committee of any provisions of the Plan
or of any  Stock  Right  granted  under  it  shall  be  final  unless  otherwise
determined  by the Board.  The  Committee may from time to time adopt such rules
and  regulations for carrying out the Plan as it may deem best. No member of the
Board or the Committee shall be liable for any action or  determination  made in
good faith with respect to the Plan or any Stock Right granted under it.

         3. Eligible  Employees and Others.  ISOs may be granted to any employee
of the Company or any Related  Corporation.  Those officers and directors of the
Company  who  are  not  employees  may  not be  granted  ISOs  under  the  Plan.
Non-Qualified  Options,  Awards  and  authorizations  to make  Purchases  may be
granted to any  director  (whether  or not an  employee),  officer,  employee or
consultant of the Company or any Related Corporation.  The granting of any Stock
Right to any  individual  or entity shall  neither  entitle that  individual  or
entity to, nor  disqualify him from,  participation  in any other grant of Stock
Rights.
<PAGE>
         4. Stock.  The stock subject to Options,  Awards and Purchases shall be
authorized but unissued shares of Common Stock of the Company,  no par value per
share (the "Common Stock"),  or shares of Common Stock reacquired by the Company
in any manner.  The aggregate  number of shares which may be issued  pursuant to
the  Plan is  Twelve  Thousand  Two  Hundred  and  Fifty  (12,250),  subject  to
adjustment  as provided in paragraph  13. Any such shares may be issued as ISOs,
Non-Qualified Options or Awards, or to persons or entities making Purchases,  so
long as the number of shares so issued does not exceed such number, as adjusted.
If any Option  granted  under the Plan shall expire or terminate  for any reason
without  having been  exercisable  in whole or in part,  or if the Company shall
reacquire  any  vested  shares  issued  pursuant  to  Awards or  Purchases,  the
unpurchased shares subject to such Options and any unvested shares so reacquired
by the Company  shall again be  available  for grants of Stock  Rights under the
Plan.

         5. Granting of Stock Rights. Stock Rights may be granted under the Plan
at any time after  October 12, 1995 and prior to October 12,  2005.  The date of
grant  of a Stock  Right  under  the  Plan  will be the  date  specified  by the
Committee at the time it grants the Stock Right;  provided,  however,  that such
date shall not be prior to the date on which the  Committee  acts to approve the
grant. The Committee shall have the right, with the consent of the optionee,  to
convert any ISO granted  under the Plan to a  Non-Qualified  Option  pursuant to
paragraph 16.

         6.       Minimum Option Price; ISO Limitations.
                  -------------------------------------

         A. The price per share specified in the agreement  relating to each ISO
granted under the Plan shall not be less than the fair market value per share of
Common  Stock on the date of such grant.  In the case of an ISO to be granted to
an employee  owning stock  possessing  more than ten percent  (10%) of the total
combined  voting  power of all  classes of stock of the  Company or any  Related
Corporation, the price per share specified in the agreement relating to such ISO
shall not be less than one hundred ten percent  (110%) of the fair market  value
per share of Common Stock on the date of grant.
<PAGE>
         B. In no event shall the aggregate fair market value (determined at the
time an ISO is granted) of Common  Stock for which ISOs  granted to any employee
are  exercisable  for the first time by such  employee  during any calendar year
(under all stock option plans of the Company and any Related Corporation) exceed
$100,000; provided that this paragraph 6(B) shall have no force or effect if its
inclusion in the Plan is not necessary for Options  issued as ISOs to qualify as
ISOs pursuant to Section 422(d) of the Code.

         C. If, at the time an Option is granted  under the Plan,  the Company's
Common Stock is publicly  traded,  "fair market value" shall be determined as of
the last business day for which the prices or quotes  discussed in this sentence
are  available  prior to the date such  Option is granted and shall mean (i) the
average  (on that date) of the high and low  prices of the  Common  Stock on the
principal national  securities  exchange on which the Common Stock is traded, if
the Common Stock is then traded on a national securities  exchange;  or (ii) the
last  reported  sale  price (on that  date) of the  Common  Stock on the  NASDAQ
National  Market  List,  if the  Common  Stock is not then  traded on a national
securities  exchange;  or (iii) the closing bid price (or average of bid prices)
last   quoted  (on  that  date)  by  an   established   quotation   service  for
over-the-counter  securities,  if the Common Stock is not reported on the NASDAQ
National Market List. However, if the Common Stock is not publicly traded at the
time an Option is granted under the Plan, "fair market value" shall be deemed to
be the fair value of the  Common  Stock as  determined  by the  Committee  after
taking into  consideration  all factors which it deems  appropriate,  including,
without limitation,  recent sale and offer prices of the Common Stock in private
transactions negotiated at arm's length.

         7.  Option  Duration.  Subject to earlier  termination  as  provided in
paragraphs  9 and 10,  each Option  shall  expire on the date  specified  by the
Committee,  but not more  than (i) ten (10)  years  and one day from the date of
grant in the case of Non-Qualified Options, (ii) ten (10) years from the date of
grant in the case of ISOs  generally,  and (iii) five (5) years from the date of
grant in the case of ISOs granted to an employee  owning stock  possessing  more
than ten  percent  (10%) of the total  combined  voting  power of all classes of
stock of the Company or any Related Corporation.  Subject to earlier termination
as provided in  paragraphs  9 and 10, the term of each ISO shall be the term set
forth in the original  instrument  granting such ISO, except with respect to any
part of such ISO that is  converted  into a  Non-Qualified  Option  pursuant  to
paragraph 16.
<PAGE>
         8.      Exercise of Option.  Subject to the provisions of paragraphs 9
                  ------------------
through 12, each Option granted under the Plan shallbe exercisable as follows:

     A. The Option  shall  either be fully  exercisable  on the date of grant or
shall become  exercisable  thereafter in such  installments as the Committee may
specify.

     B. Once an  installment  becomes  exercisable  it shall remain  exercisable
until expiration or termination of the Option, unless otherwise specified by the
Committee.

     C. Each Option or installment  may be exercised at any time or from time to
time, in whole or in part,  for up to the total number of shares with respect to
which it is then exercisable.

     D. The Committee shall have the right to accelerate the date of exercise of
any installment of any Option;  provided that the Committee shall not accelerate
the exercise date of any installment of any Option granted to any employee as an
ISO (and not  previously  converted  into a  Non-Qualified  Option  pursuant  to
paragraph 16) if such acceleration  would violate the annual vesting  limitation
contained in Section 422(d) of the Code, as described in paragraph 6(C).
<PAGE>
         9. Termination of Employment.  If an ISO optionee ceases to be employed
by the  Company and all  Related  Corporations  other than by reason of death or
disability as defined in paragraph 10, no further installments of his ISOs shall
become exercisable, and his ISOs shall terminate after the passage of sixty (60)
days, from the date of termination of his employment, but in no event later than
on their  specified  expiration  dates,  except to the extent that such ISOs (or
unexercised installments thereof) have been converted into Non-Qualified Options
pursuant  to  paragraph  16.   Employment  shall  be  considered  as  continuing
uninterrupted during a bona fide leave of absence (such as those attributable to
illness,  military obligations or governmental service) provided that the period
of such leave does not exceed ninety (90) days or, if longer,  any period during
which such optionee's  right to  reemployment  is guaranteed by statute.  A bona
fide leave of absence with the written  approval of the  Committee  shall not be
considered  an  interruption  of employment  under the Plan,  provided that such
written approval contractually  obligates the Company or any Related Corporation
to continue the employment of the optionee after the approved period of absence.
ISOs  granted  under the Plan shall not be affected by any change of  employment
within or among the Company and Related  Corporations,  so long as the  optionee
continues to be an employee of the Company or any Related  Corporation.  Nothing
in the Plan shall be deemed to give any  grantee of any Stock Right the right to
be  retained  in  employment  or other  service by the  Company  or any  Related
Corporation for any period of time.

         10.      Death; Disability.
                  -----------------

         A. If an ISO  optionee  ceases to be  employed  by the  Company and all
Related Corporations by reason of his death, any ISO of his may be exercised, to
the extent of the number or shares with respect to which he could have exercised
it on his death, by his estate,  personal  representative or beneficiary who has
acquired the ISO by will or by the laws of descent and distribution, at any time
prior to the earlier of the ISO's specified expiration date or 180 days from the
date of the optionee's death.

         B. If an ISO optionee  ceases to be  reemployed  by the Company and all
Related  Corporations  by reason of his  disability,  he shall have the right to
exercise any ISO held by him on the date of termination  of  employment,  to the
extent of the number of shares with respect to which he could have  exercised it
on that date, at any time prior to the earlier of the ISO's specified expiration
date or 180 days from the date of the termination of the optionee's  employment.
For the purposes of the Plan, the term  "disability"  shall mean  "permanent and
total  disability"  as  defined  in Section  22(e)(3)  of the Code or  successor
statute.
<PAGE>
         11.      Assignability.  No Stock Right shall be assignable or
                  -------------
transferable by the grantee except by will or by the laws of descent and
distribution, and during the lifetime of the grantee each Stock Right shall be
exercisable only by him.

         12.  Terms and  Conditions  of Options.  Options  shall be evidenced by
              ---------------------------------
instruments  (which need not be  identical)  in such forms as the  Committee may
from time to time  approve.  Such  instruments  shall  conform  to the terms and
conditions  set forth in  paragraphs  6 through 11 hereof and may  contain  such
other  provisions as the Committee deems  advisable  which are not  inconsistent
with the Plan,  including  restrictions  applicable  to  shares of Common  Stock
issuable upon exercise of Options.  In granting any  Non-Qualified  Option,  the
Committee  may specify  that such  Non-Qualified  Option shall be subject to the
restrictions set forth herein with respect to ISOs, or to such other termination
and  cancellation  provisions as the Committee may determine.  The Committee may
from time to time confer authority and  responsibility on one or more of its own
members  and/or one or more  officers of the Company to execute and deliver such
instruments.  The proper  officers of the Company are authorized and directed to
take any and all action  necessary or  advisable  from time to time to carry out
the terms of such instruments.

         13.      Adjustments.  Upon the occurrence of any of the following
                  -----------
events, an optionee's rights with respect to Options granted to him hereunder
shall be adjusted as hereinafter provided, unless otherwise specifically
provided in the written agreement between the optionee and the Company relating
to such Option:

         A. If the shares of Common Stock shall be subdivided or combined into a
greater or smaller  number of shares or if the Company shall issue any shares of
Common Stock as a stock dividend on its outstanding  Common Stock, the number of
shares of  Common  Stock  deliverable  upon the  exercise  of  Options  shall be
appropriately   increased  or   decreased   proportionately,   and   appropriate
adjustments  shall be made in the  purchase  price  per  share to  reflect  such
subdivision, combination or stock dividend.
<PAGE>
         B. If the  Company is to be  consolidated  with or  acquired by another
entity in a merger,  sale of all or substantially all of the Company's assets or
otherwise  (an  "Acquisition"),  the  Committee or the Board of Directors of any
entity  assuming  the  obligations  of the  Company  hereunder  (the  "Successor
Board"),  shall, as to outstanding Options either (i) make appropriate provision
for the  continuation  of such Options by substituting on an equitable basis for
the shares then subject to such Options the  consideration  payable with respect
to the outstanding shares of Common Stock in connection with the Acquisition; or
(ii) upon  written  notice to the  optionee,  provide  that all Options  must be
exercised, to the extent then exercisable,  within a specified number of days of
the date of such notice, at the end of which period the Options shall terminate;
or (iii)  terminate  all Options in  exchange  for a cash  payment  equal to the
excess of the fair market  value of the shares  subject to such  Options (to the
extent then exercisable) over the exercise price thereof.

         C. In the event of  recapitalization  or  reorganization of the Company
(other than a transaction  described in  subparagraph B above) pursuant to which
securities of the Company or of another  corporation  are issued with respect to
the  outstanding  shares of Common Stock,  an optionee upon exercising an Option
shall be entitled to receive for the purchase  price paid upon such exercise the
securities  he would have  received if he had exercised his Option prior to such
recapitalization or reorganization.

         D.  Notwithstanding  the foregoing,  any  adjustments  made pursuant to
subparagraphs  A, B or C with  respect  to ISOs  shall be made  only  after  the
Committee,  after  consulting with counsel for the Company,  determines  whether
such adjustments would constitute a "modification" of such ISOs (as that term is
defined in Section 425 of the Code) or would cause any adverse tax  consequences
for the holders of such ISOs. If the Committee  determines that such adjustments
made with respect to ISOs would  constitute a modification  of such ISOs, it may
refrain from making such adjustments.
<PAGE>
         E. In the  event of the  proposed  dissolution  or  liquidation  of the
Company,  each Option will terminate  immediately  prior to the  consummation of
such proposed action or at such other time and subject to such other  conditions
as shall be determined by the Committee.

         F. Except as expressly  provided herein,  no issuance by the Company of
shares of stock of any class, or securities  convertible into shares of stock of
any class,  shall affect, and no adjustment by reason thereof shall be made with
respect  to, the number or price of shares  subject to Options.  No  adjustments
shall be made for dividends paid in cash or in property other than securities of
the Company.

         G.       No fractional shares shall be issued under the Plan and the
optionee shall receive from the Company cash in lieu of such fractional shares.

         H. Upon the  happening  of any of the  foregoing  events  described  in
subparagraphs  A, B or C above,  the class and  aggregate  number of shares  set
forth in paragraph 4 hereof that are subject to Stock  Rights  which  previously
have  been  or  subsequently  may be  granted  under  the  Plan  shall  also  be
appropriately  adjusted to reflect the events  described in such  subparagraphs.
The Committee or the Successor Board shall determine the specific adjustments to
be made under this paragraph 13 and,  subject to paragraph 2, its  determination
shall be conclusive.

If any person or entity owning restricted Common Stock obtained by exercise of a
Stock Right made hereunder  receives  shares or securities or cash in connection
with a corporate  transaction  described in  subparagraphs  A, B or C above as a
result of owning such restricted Common Stock, such shares or securities or cash
shall be subject to all of the  conditions  and  restrictions  applicable to the
restricted  Common Stock with respect to which such shares or securities or cash
were issued,  unless  otherwise  determined  by the  Committee or the  Successor
Board.
<PAGE>
         14. Means of  Exercising  Stock  Rights.  A Stock Right (or any part or
             -----------------------------------
installment  thereof) shall be exercised by giving written notice to the Company
at its  principal  office  address.  Such notice shall  identify the Stock Right
being exercised and specify the number of shares as to which such Stock Right is
being  exercised,  accompanies  by full payment of the purchase  price  therefor
either  (a) in the  United  States  dollars  in cash or by check,  or (b) at the
discretion of the Committee, through delivery of shares of Common Stock having a
fair  market  value equal as of the date of the  exercise  to the cash  exercise
price of the Stock Right, or (c) at the discretion of the Committee, by delivery
oft he grantee's  personal  recourse note bearing interest payable not less than
annually at no less than 100% of the lowest applicable  Federal rate, as defined
in Section  1274(d) of the Code, or (d) at the discretion of the  Committee,  by
any  combination  of (a),  (b) and (c) above.  If the  Committee  exercises  its
discretion  to permit  payment of the  exercise  price of an ISO by means of the
methods set forth in clauses (b),  (c), or (d) of the preceding  sentence,  such
discretion  shall be exercised in writing at the time of the grant of the ISO in
question. The holder of a Stock Right shall not have the rights of a stockholder
with respect to the shares covered by his Option until the date of issuance of a
stock certificate to him for such shares.  Except as expressly provided above in
paragraph 13 with respect to changes in capitalization  and stock dividends,  no
adjustment  shall be made for  dividends or similar  rights for which the record
date is before the date such stock certificate is issued.

         15. Terms and Amendment of Plan. This Plan was adopted by the Board and
             ---------------------------
stockholders  on  October  12,  1995.  Any Stock  Rights  granted  prior to such
stockholder  approval shall become null and void if such stockholder approval is
not obtained. The Plan shall expire on October 12, 2005; provided, however, that
the Plan and all Stock  Rights  granted  under the Plan prior to such date shall
remain in effect and subject to  adjustment  and  amendment  as herein  provided
until they have been satisfied or terminated in accordance with the terms of the
respective  grants or awards and the related option  instruments.  The Board may
terminate or amend the Plan in any respect at any time without the authorization
of stockholders to the extent allowed by law,  including without  limitation any
rules issued by the Securities and Exchange  Commission  under Section 16 of the
Exchange Act, except that, unless approved by the stockholders,  it may not: (a)
increase the total number of shares that may be issued under the Plan (except by
adjustment  pursuant to paragraph  13); (b) modify the provisions of paragraph 3
regarding eligibility for grants of ISOs; (c) modify the provisions of paragraph
6(B)  regarding  the exercise  price at which shares may be offered  pursuant to
ISOs  (except  by  adjustment  pursuant  to  paragraph  13);  and (d) extend the
expiration date of the Plan. In no event may action of the Board or stockholders
alter or impair the rights of a grantee,  without his  consent,  under any Stock
Right previously granted to him.
<PAGE>
         16. Conversion of ISOs into Non-Qualified Options; Termination of ISOs.
             ------------------------------------------------------------------
The  Committee,  at the written  request of any optionee,  may in its discretion
take such actions as may be necessary to convert such  optionee's  ISO's for any
installment or portions of installments thereof) that have not been exercised on
the date of  conversion  into  Non-Qualified  Options  at any time  prior to the
expiration  of such ISOs,  regardless  of whether the optionee is an employee of
the  Company  or a  Related  Corporation  at the time of such  conversion.  Such
actions may include,  but are not limited to,  extending the exercise  period or
reducing the exercise price of the appropriate  installments of such Options. At
the time of such  conversion,  the Committee  (with the consent of the Optionee)
may impose  such  conditions  on the  exercise  of the  resulting  Non-Qualified
Options as the Committee in its  discretion  may  determine,  provided that such
conditions shall not be inconsistent  with this Plan.  Nothing in the Plan shall
be deemed to give any optionee the right to have such  optionee's ISOs converted
into Non-Qualified  Options, and no such conversion shall occur until and unless
the Committee takes appropriate  action. The Committee,  with the consent of the
optionee,  may also terminate any portion of any ISO that has not been exercised
at the time of such termination.

         17.      Application of Funds.  The proceeds received by the company
                  --------------------
from the sale of shares pursuant to Options granted and Purchases authorized
under the Plan shall be used for general corporate purposes.

         18.      Governmental Regulation.  The Company's obligation to sell
                  -----------------------
and deliver shares of the Common Stock under this Plan is subject to the
approval of any governmental authority required in connection with the
authorization, issuance or sale of such shares.
<PAGE>
         19.  Withholding  of Additional  Income  Taxes.  Upon the exercise of a
Non-Qualified  Option, the grant of an award, the making of a Purchase of Common
Stock  for less  than its fair  market  value,  the  making  of a  Disqualifying
Disposition  (as defined in paragraph  20) or the vesting of  restricted  Common
Stock  acquired on the  exercise of a Stock Right  hereunder,  the  Company,  in
accordance  with Section  3402(a) of the Code,  may require the optionee,  Award
recipient  or purchaser to pay  additional  withholding  taxes in respect of the
amount that is considered compensation includible in such person's gross income.
The  Committee in its  discretion  may  condition (i) the exercise of an Option,
(ii) the grant of an Award,  (iii) the making of a Purchase of Common  Stock for
less than its fair market value, or (iv) the vesting of restricted  Common Stock
acquired by exercising a Stock Right on the grantee's payment of such additional
withholding taxes.

         20. Notice to Company of  Disqualified  Disposition.  Each employee who
             -----------------------------------------------
receives  an ISO must agree to notify the Company in writing  immediately  after
the employee  makes a  Disqualifying  Disposition  of any Common Stock  acquired
pursuant  to  the  exercise  of an  ISO.  A  Disqualifying  Disposition  is  any
disposition  (including  any sale) of such Common  Stock before the later of (a)
two (2) years  after the date the  employee  was  granted the ISO or (b) one (1)
year after the date the  employee  has died  before  such  stock is sold,  these
holding period  requirements do not apply and no  Disqualifying  Disposition can
occur thereafter.

         21. Governing Law;  Construction.  The validity and construction of the
Plan and the instruments  evidencing  Stock Rights shall be governed by the laws
of The  Commonwealth  of  Massachusetts.  In construing  this Plan, the singular
shall include the plural and the masculine gender shall include the feminine and
neuter, unless the context otherwise requires.
<PAGE>
AMENDMENT NO. 1 TO 1995 STOCK OPTION PLAN

         In accordance with the provisions of Section 15 of the Andover Advanced
Technologies,  Inc.  1995  Stock  Option  Plan,  the Plan is hereby  amended  as
follows:

     1.  Section 4 of the Plan is hereby  amended  by  increasing  the number of
shares  subject to the Plan from  12,250  shares to 32,250  shares of the no par
value common stock of the Corporation.

     2. This  amendment  shall take effect as of the date of its adoption by the
Andover Advanced Technologies,  Inc. Board of Directors and upon its approval by
the  stockholders  of Andover  Advanced  Technologies,  Inc. in accordance  with
Section 15 of the Plan.

     3.  Executed as herein  above  provided,  the Plan is hereby  ratified  and
confirmed in all respects.  Adopted by the Board of Directors  and  Stockholders
July 31, 1996

AMENDMENT NO. 2 TO 1995 STOCK OPTION PLAN

         In accordance with the provisions of Section 15 of the Andover Advanced
Technologies,  Inc.  1995  Stock  Option  Plan,  the Plan is hereby  amended  as
follows:

     1.  Section 4 of the Plan is hereby  amended  by  increasing  the number of
shares  subject to the Plan from  32,250  shares to 50,000  shares of the no par
value common stock of the Corporation.

     2. This  amendment  shall take effect as of the date of its adoption by the
Andover Advanced Technologies,  Inc. Board of Directors and upon its approval by
the  stockholders  of Andover  Advanced  Technologies,  Inc. in accordance  with
Section 15 of the Plan.

     3.  Executed as herein  above  provided,  the Plan is hereby  ratified  and
confirmed in all respects.  Adopted by the Board of Directors  and  Stockholders
June 24, 1997.
<PAGE>
AMENDMENT NO. 3 TO 1995 STOCK OPTION PLAN


         In accordance with the provisions of Section 15 of the Andover Advanced
Technologies,  Inc.  1995  Stock  Option  Plan,  the Plan is hereby  amended  as
follows:

     1.  Section 4 of the Plan is hereby  amended  by  increasing  the number of
shares  subject to the Plan from  50,000  shares to 75,000  shares of the no par
value common stock of the Corporation.

     2. This  amendment  shall take effect as of the date of its adoption by the
Andover Advanced Technologies,  Inc. Board of Directors and upon its approval by
the  stockholders  of Andover  Advanced  Technologies,  Inc. in accordance  with
Section 15 of the Plan.

     3.  Executed as herein  above  provided,  the Plan is hereby  ratified  and
confirmed in all respects.  Adopted by the Board of Directors  and  Stockholders
November 12, 1998



                                                               EXHIBIT 5.1

                               OPINION OF COUNSEL

                                  March 7, 2000

Andover.Net, Inc.
50 Nagog Park
Acton, MA  01720

REGISTRATION STATEMENT ON FORM S-8

Ladies and Gentlemen:

         We  have  examined  the   Registration   Statement  on  Form  S-8  (the
"Registration Statement") to be filed by Andover.Net,  Inc. (the "Company") with
the Securities and Exchange  Commission (the  "Commission") on or about March 7,
2000 in connection  with the  registration  under the Securities Act of 1933, as
amended, of 2,705,678 shares of the Company's Common Stock reserved for issuance
under the 1999  Stock  Option  Plan and 1995 Stock  Plan (the  "Plans").  As the
Company's  legal counsel in connection with this  transaction,  we have examined
the proceedings taken and are familiar with the proceedings proposed to be taken
by the Company in connection with the sale and issuance of the foregoing  shares
under the Plans, (collectively, the "Shares").

         Based  upon  the   foregoing,   and   having   regard  for  such  legal
considerations as we deem relevant,  we are of the opinion that the Shares, when
issued and sold in the manner  described in the  Registration  Statement will be
legally  and  validly  issued,  fully paid and  non-assessable,  and no personal
liability will attach thereto.

         We  consent  to  the  filing  of  this  opinion  as an  exhibit  to the
Registration  Statement and to the references to us under the caption "Interests
of Named Experts and Counsel" in the Registration Statement.

                                Very truly yours,

                                /s/ Hutchins, Wheeler & Dittmar

                                HUTCHINS, WHEELER & DITTMAR,
                                A Professional Corporation




                                                             EXHIBIT  23.1

                    CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS


     As independent public  accountants,  we hereby consent to the incorporation
by  reference  in this  registration  statement  on Form S-8 of our report dated
October 22, 1999 included in  Andover.Net,  Inc.'s Form S-1/A dated  December 8,
1999 and to all references to our Firm included in this registration statement.

                                         /s/ ARTHUR ANDERSEN LLP


Boston, Massachusetts
March 7, 2000


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