EXCALIBUR TECHNOLOGIES CORP
S-3, 1999-06-04
PREPACKAGED SOFTWARE
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         AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON JUNE 3, 1999

                          REGISTRATION STATEMENT NO. 333-
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549
                                    FORM S-3
                          REGISTRATION STATEMENT UNDER
                           THE SECURITIES ACT OF 1933
                       EXCALIBUR TECHNOLOGIES CORPORATION
             (Exact name of registrant as specified in its charter)

                          1921 Gallows Road, Suite 200
                             Vienna, Virginia 22182
                              (703) 761-3700
                    (Address, including zip code, and telephone
number, including area code, of registrant's principal executive offices)

      Delaware                                            85-0278207
(State or other jurisdiction                    (I.R.S. Employer Identification
of incorporation or Organization)                    Number)

                                James H. Buchanan
                Chief Financial Officer, Secretary and Treasurer
                       Excalibur Technologies Corporation
                          1921 Gallows Road, Suite 200
                             Vienna, Virginia 22182
                                 (703) 761-3700
                (Name, address, including zip code, and telephone
               number, including area code, of agent for service)

                                    Copy to:
                             Robert H. Werbel, Esq.
                         Heller Ehrman White & McAuliffe
                                711 Fifth Avenue
                            New York, New York 10022
                                 (212) 832-8300

APPROXIMATE  DATE OF COMMENCEMENT  OF PROPOSED SALE TO THE PUBLIC:  From time to
time after the effective date of the Registration Statement.

If the only securities  being registered on this form are being offered pursuant
to dividend or interest reinvestment plans, please check the following box. [ ]

If any of the securities  being  registered on this form are to be offered on a
delayed or continuous  basis pursuant to Rule 415 underthe Securities Act of
1933, as amended (the  "Securities  Act"),  other than securities being offered
only in connection with dividend or interest reinvestment plans, check the
following box.  [X]

If this form is filed to register additional securities for an offering pursuant
to Rule 462(b) under the  Securities  Act,  check the following box and list the
Securities  Act  registration   statement   number  of  the  earlier   effective
registration statement for the same offering. [ ]

If this form is a  post-effective  amendment filed pursuant to Rule 462(c) under
the  Securities  Act,  check  the  following  box and  list the  Securities  Act
registration  statement number of the earlier effective  registration  statement
for the same offering. [ ]

If delivery of the prospectus is expected to be made pursuant to Rule 434,
please check the following box.  [ ]

<TABLE>

                         CALCULATION OF REGISTRATION FEE
- -------------------------------------- -------------------- ------------------------- ----------------------------- ----------------
              <S>                           <C>                   <C>                           <C>                         <C>

Title of Each Class of Securities         Amount to           Proposed Maximum            Proposed Maximum             Amount of
         to be Registered              be Registered(1)   Offering Price per Share    Aggregate Offering Price      Registration Fee
- -------------------------------------- -------------------- ------------------------- ----------------------------- ----------------
- -------------------------------------- -------------------- ------------------------- ----------------------------- ----------------
Common Stock, par value
$.01 per share...............            500,000 Shares          $15.0625 (2)              $7,531,250                    $2,093
- -------------------------------------- -------------------- ------------------------- ----------------------------- ----------------

(1) Pursuant to Rule 416 under the Securities Act, this  registration  statement
also covers an indeterminate  number of additional  shares as may be issued as a
result of  adjustments  by reason of any stock split,  stock dividend or similar
transaction.  (2)  Estimated  pursuant to Rule 457(c)  solely for the purpose of
calculating the amount of the registration  fee. The average of the high and low
prices  reported on The Nasdaq  National  Market  System was $15.0625 on June 2,
1999. The REGISTRANT HEREBY AMENDS THIS  REGISTRATION  STATEMENT ON SUCH DATE OR
DATES AS MAY BE NECESSARY TO DELAY ITS EFFECTIVE DATE UNTIL THE REGISTRANT SHALL
FILE A FURTHER  AMENDMENT  WHICH  SPECIFICALLY  STATES  THAT  THIS  REGISTRATION
STATEMENT SHALL  THEREAFTER  BECOME EFFECTIVE IN ACCORDANCE WITH SECTION 8(a) OF
THE  SECURITIES  ACT OF 1933 OR UNTIL THE  REGISTRATION  STATEMENT  SHALL BECOME
EFFECTIVE ON SUCH DATE AS THE COMMISSION,  ACTING PURSUANT TO SAID SECTION 8(a),
MAY DETERMINE.
</TABLE>


<PAGE>





     PROSPECTUS

                                 500,000 SHARES

                       EXCALIBUR TECHNOLOGIES CORPORATION

                                  COMMON STOCK

                           -------------------------


     The Selling Stockholders  identified in this Prospectus may offer from time
     to time up to  500,000  shares of common  stock of  Excalibur  Technologies
     Corporation (the "Shares").  We will not receive any proceeds from the sale
     of  Shares by the  Selling  Stockholders.  The  Selling  Stockholders  have
     acquired  the  Shares  offered  by this  Prospectus  in  private  placement
     transactions.  Registering these Shares will allow the Selling Stockholders
     to publicly sell or otherwise distribute their Shares.

     The Selling Stockholders may offer these Shares in one or more transactions
     on the  Nasdaq  National  Market  System  at  prices  then  prevailing,  in
     negotiated transactions or otherwise.  The Selling Stockholders and brokers
     through  whom  the  sale  of  the  Shares  are  made  may be  deemed  to be
     "underwriters" within the meaning of Section 2(11) of the Securities Act of
     1933,  as  amended.  In  addition,  any  profits  realized  by the  Selling
     Stockholders  or such  brokers  on the sale of  Shares  may be deemed to be
     underwriting  commissions  under the Securities Act. The price at which any
     of the Shares may be sold and the  commissions  paid in connection with any
     sale may vary from transaction to transaction. We will pay certain expenses
     of this offering.

     Our common  stock is quoted on the Nasdaq  Market  System  under the symbol
     "EXCA." On June 2, 1999,  the closing  price of the common stock was $14.75
     per share.

                   -------------------------


    You should carefully consider the Risk Factors beginning on Page 5 of this
Prospectus.

                   -------------------------


     Neither the Securities and Exchange Commission nor any state securities
     commission has approved or disapproved of these securities or determined
     that this  Prospectus is truthful or complete.  Any  representation  to the
     contrary is a criminal offense.

                   -------------------------



       The date of this Prospectus is____________________, 1999.




<PAGE>




                     TABLE OF CONTENTS

                                                                          Page
Where You Can Find More Information..........................................3
Our Business.................................................................4
Risk Factors................................ ................................5
Use Of Proceeds..............................................................9
Selling Stockholders........................................................10
Plan of Distribution........................................................11
Description of Capital Stock................................................13
Legal Matters...............................................................14
Experts.....................................................................14





<PAGE>



                       Where You Can Find More Information

         We file annual,  quarterly and current  reports,  proxy  statements and
other  information  with the SEC.  You may read and copy any document we file at
the SEC's public  reference  rooms in  Washington,  D.C., New York, New York and
Chicago, Illinois. Please call the SEC at 1-800-SEC-0330 for further information
on the public  reference rooms. Our SEC filings are also available to the public
from the SEC's web site at http://www.sec.gov. The SEC allows us to "incorporate
by  reference"  the  information  we file with  them,  which  means  that we can
disclose  important  information  to you by  referring  you  to  our  filed  SEC
documents. The information incorporated by reference is part of this Prospectus.
Information  we file with the SEC after we file this  document  will  update and
supersede this  information.  We  incorporate by reference the documents  listed
below and any future filings made with the SEC under Section 13(a),  13(c),  14,
or 15(d) of the Securities Exchange Act of 1934 until our offering is completed.

         (a) Our Annual Report on Form 10-K for the year ended January 31, 1999;

         (b) Our Current Report on Form 8-K filed February 19, 1999; and

         (c) Our Current Report on Form 8-K filed March 26, 1999.

         You may  request a copy of these  filings,  at no cost,  by  writing or
telephoning James H. Buchanan, Chief Financial Officer,  Secretary and Treasurer
at:

                       Excalibur Technologies Corporation
                                1921 Gallows Road
                             Vienna, Virginia 22182
                                 (703) 761-3700

         You should rely only on the  information  incorporated  by reference or
provided in this Prospectus and any prospectus supplement. We have authorized no
one to provide you with different information.  The Selling Stockholders are not
authorized to make an offer of these  securities in any state where the offer is
not permitted.  You should not assume that the information in this Prospectus or
any prospectus  supplement is accurate as of any date other than the date on the
front of this Prospectus or the applicable prospectus supplement.




<PAGE>



                                  Our Business

         Excalibur  Technologies  Corporation  designs,  develops,  markets  and
supports enterprise-wide,  accurate, scalable and secure knowledge-retrieval and
digital asset management software solutions. Our comprehensive suite of products
includes Excalibur RetrievalWare,  Excalibur RetrievalWare WebExpress, Excalibur
RetrievalWare  FileRoom,  Excalibur  Internet Spider,  Excalibur EFS,  Excalibur
Visual  RetrievalWare,  Excalibur  Screening  Room and Excalibur  Video Analysis
Engine. Our products enable users to quickly capture,  analyze,  index, catalog,
browse,  access,  search,  retrieve and use relevant  information residing on an
enterprise's  networks,  intranets,  extranets  and the  Internet.  Our software
delivers capabilities for real-time profiling and retrospective search, combined
full-text  and  database  searching,   word  meaning-based  semantic  searching,
fault-tolerant pattern recognition-based searching,  statistical searching and a
full suite of  traditional  keyword and  Boolean  search  techniques.  Excalibur
RetrievalWare,  our flagship product,  has a modular  architecture that supports
parallel  processing on distributed,  multi-threaded  servers and is designed to
support both very large databases and large  information  systems with thousands
of users. It offers users a web-based unified view of all information assets and
enables highly  accurate  search and retrieval  over these assets.  We offer our
software to information systems for workgroups, enterprises and distributed wide
area  networks,  including  the  Internet  and  World  Wide Web.  We also  offer
training,  consulting and maintenance services to facilitate  implementation and
use of our technology.

         We license our software products directly to commercial  businesses and
government  agencies  throughout  North  America,  Europe and other parts of the
world and also  distribute  our software  products to end users through  license
agreements with value-added  resellers,  system integrators,  original equipment
manufacturers and other strategic partners.

         On May 5, 1997, we acquired Interpix Software  Corporation,  located in
Santa Clara, California, a privately owned company and developer of a commercial
technology  enabling the collection,  indexing,  management and  presentation of
multimedia  data on the Internet and corporate  intranets.  The  shareholders of
Interpix  received 275,000 shares of our common stock in exchange for all of the
outstanding common stock of Interpix.

         In July 1995, we acquired  ConQuest  Software,  Inc., a private company
engaged in the business of providing  natural language text management  software
tools.  The  acquisition  was effected  through our issuance of common stock and
options to purchase common stock to the former ConQuest  shareholders and option
holders in exchange for all of the outstanding common stock of ConQuest.

         Our wholly owned  subsidiary  located in the United Kingdom,  Excalibur
Technologies International, Ltd conducts international sales activities.

         Excalibur  was  incorporated  on  February  11,  1980  as a New  Mexico
corporation and reincorporated on September 26, 1989 as a Delaware  corporation.
Our common stock is listed on The Nasdaq National Market System under the symbol
"EXCA." Our principal  executive offices are located at 1921 Gallows Road, Suite
200, Vienna, Virginia 22182, telephone (703) 761-3700.




<PAGE>



                                  Risk Factors

         Before you invest in shares of our  common  stock,  you should be aware
that there are various risks,  including those  described  below. We urge you to
carefully consider these risk factors together with all of the other information
included in this Prospectus and the information  incorporated in this Prospectus
by reference before you decide to invest in shares of common stock.

         Some  of  the   information  in  this   Prospectus  and  the  materials
incorporated  by  reference  into this  Prospectus  may contain  forward-looking
statements.  Such  statements  can be identified  by the use of  forward-looking
terminology  such  as  "may,"  "will,"   "expect,"   "anticipate,"   "estimate,"
"continue" or other similar words. These statements discuss future expectations,
contain  projections of results of operations or of financial condition or state
other  "forward-looking"  information.  When  considering  such  forward-looking
statements,  you  should  keep in mind the risk  factors  and  other  cautionary
statements in this Prospectus.  The risk factors noted in this section and other
factors noted  throughout this Prospectus,  including  certain known and unknown
risks and  uncertainties,  could cause our actual  results to differ  materially
from those contained in any forward-looking statement.

         Marketing  acceptance of products and historical  operating  losses. We
believe that our future  profitability will depend on our ability to effectively
market  existing  and  newly-developed  software  products  through  a  balanced
multi-channel  distribution  network.  We  cannot  assure  you that our costs to
develop,  introduce  and promote  enhanced or new  products  will not exceed our
expectations, or that these products will generate revenues sufficient to offset
these  expenses.  We have  operated at a loss for each of the past three  fiscal
years.  These losses reflect our  expenditures  associated with building a sales
and marketing  organization to sell new software products and further developing
software  products  during these  years.  We plan to continue to invest in these
programs and,  accordingly,  we cannot assure you that our operating losses will
not continue in the future.

         Variability of Operating Results.  Our quarterly operating results have
varied  substantially  in the past and are  likely  to vary  substantially  from
quarter to quarter in the future,  due to a variety of factors.  In  particular,
our  period-to-period  operating  results are  significantly  dependent upon the
timing of the  closing  of large  license  agreements.  Because  purchasing  our
products often requires significant capital investment,  our customers may defer
or cancel their purchases. This means our sales can involve long sales cycles of
six months or more.  We have  generally  recorded a  significant  portion of our
total  quarterly  license fee  revenues in the third month of a quarter,  with a
concentration of these revenues  occurring in the last half of that third month.
This  is in  part  because  our  customers  tend  to  make  significant  capital
expenditures at the end of a fiscal quarter. We expect these revenue patterns to
continue.  Despite these  uncertainties in our revenue  patterns,  our operating
expenses  are based  upon  anticipated  revenue  levels and are  incurred  on an
approximately  ratable  basis  throughout  a quarter.  As a result,  if expected
revenues are deferred or otherwise not realized in a quarter for any reason, our
business,   operating  results  and  financial  condition  would  be  materially
adversely affected.

         Use of Net Operating Loss Carryforwards. As of January 31, 1999, we had

<PAGE>
net operating loss carryforwards of approximately $67,957,000.  The deferred tax
assets  representing  the  benefits  of these  carryforwards  have  been  offset
completely by a valuation  allowance due to our lack of an earnings history.  We
incurred a net loss of  $3,854,000  for the fiscal year ended  January 31, 1999.
Our accumulated deficit at January 31, 1999 was $55,798,000.  The realization of
the benefits of these carryforwards is dependent on sufficient taxable income in
future fiscal years.  Lack of future earnings or a change in our ownership could
adversely affect our ability to utilize these  carryforwards.  Further,  because
there was a change in the ownership of ConQuest in fiscal year 1996, our ability
to utilize carryforwards of approximately $3,233,000 relating to ConQuest may be
limited.  Despite the carryforwards,  we may have income tax liability in future
years due to the application of the alternative  minimum tax rules of the United
States Internal Revenue Code.

         Lack of patent  protection.  Although  on August  24,  1998 we filed an
application to obtain a patent on our multimedia  document  retrieval system, we
have not yet obtained  patents on any of our technology.  We regard our software
as proprietary,  and we rely primarily on a combination of copyright,  trademark
and  trade  secret  laws,  employee  confidentiality  and  invention  assignment
agreements,  distribution  and OEM  software  protection  agreements  and  other
intellectual  property  protection  methods  to  safeguard  our  technology  and
software  products.  We also rely on our  efforts  to  design  and  produce  new
products,  and upon improvements to existing products, to maintain a competitive
position  in the  marketplace.  We cannot  assure you that our  technology  will
remain proprietary.

         Competition.  Our  business  environment,  and  the  computer  software
industry  in  general,   are   characterized  by  intense   competition,   rapid
technological changes,  changes in customer requirements and emerging new market
segments.  Our  competitors  include  many  companies  which are larger and more
established  and  have  substantially  more  resources  than we do.  To  compete
effectively,  we must make frequent new product  introductions  and enhancements
while  deploying our resources to take advantage of new business  opportunities.
We cannot assure you that we will be able to do this effectively in the future.

         Need to manage growth. Our future operating results will be affected by
our  ability  to expand  our  product  distribution  channels  and to manage our
expected  growth.  Our future  results  may also be  impacted  by our ability to
execute future  acquisitions and integrate the operations of acquired  companies
with  ours.  Failure  to meet  any of  these  challenges  could  materially  and
adversely affect our future operating results.

         Dependence  on  Computer  Manufacturers.   Our  software  products  are
designed to work specifically with  manufacturers'  computer systems. We have no
agreement,  however,  with any manufacturers of computers by which we may ensure
that the  computers  will not be redesigned  in a manner  incompatible  with our
products.

         Dependence on Key Personnel.  Our business is  substantially  dependent
upon the active  participation and technical expertise of our executive officers
and key  personnel.  Our ability to maintain a competitive  position in light of
technological developments will depend, in large part, on our ability to attract
and retain highly qualified  personnel,  of which there can be no assurance.  We
hold a $1 million  life  insurance  policy on the life of Patrick C. Condo,  our
President and Chief Executive Officer.

<PAGE>

         Need  for  Additional   Capital.  In  order  to  finance  our  business
operations,  meet our debt obligations and continue our expansion  strategy,  we
may need to obtain  additional  capital  on a regular  basis.  We believe we can
obtain  additional  capital  by  selling  debt or  equity  securities  and/or by
borrowing money. If we cannot obtain additional capital when it is needed,  then
our financial condition and results of operations could be adversely affected.

         Voting Control by Principal Shareholder.  Allen & Company Incorporated,
certain of its officers and shareholders and certain persons who might be deemed
to be related persons of Allen together  beneficially owned approximately 27% of
the outstanding shares of our common stock as of January 31, 1999.  Accordingly,
Allen may be deemed to be an  "affiliate"  of the Company  within the meaning of
the Securities Act of 1933. As a result of their ownership  interest,  Allen and
these other  persons may be able to  effectively  control the outcome of certain
matters requiring a shareholder vote,  including offers to acquire Excalibur and
election of directors.  In addition,  Donald R. Keough, Chairman of our Board of
Directors,  is  Chairman  of the Board of  Directors  of Allen,  and  Richard M.
Crooks, Jr., Chairman of the Executive Committee of our Board of Directors, is a
director of and consultant to Allen.

         Authorization  of Preferred  Stock.  Our  Certificate of  Incorporation
authorizes  the  issuance  of  1,000,000  shares of  preferred  stock  with such
designations,  rights and  preferences as may be determined from time to time by
our Board of  Directors.  Accordingly,  our  Board of  Directors  is  empowered,
without   shareholder   approval,   to  issue  preferred  stock  with  dividend,
liquidation, conversion, voting, or other rights that could adversely affect the
voting  power or other  rights of the holders of our Common  Stock.  Although we
have no present  intention of issuing preferred stock, we cannot assure you that
we will not issue any preferred stock in future.

         Certain Anti-Takeover Provisions. Certain provisions of our Certificate
of Incorporation, our Stock Option Plans and Delaware law could have the effect,
either  alone  or  together,   of  making  more  difficult  or  discouraging  an
acquisition  of Excalibur  deemed  undesirable  by our Board of  Directors.  The
existence of our  authorized but unissued  capital stock,  together with Allen's
possible continued voting control,  could discourage an acquisition of Excalibur
that is deemed  undesirable  by our Board of  Directors.  Under our stock option
plans,  in the event of a change  in  control,  stock  appreciation  rights  and
limited stock  appreciation  rights outstanding for at least six months, as well
any stock options which are not then exercisable, would become fully exercisable
and vested. Our option plans may have the effect of significantly increasing the
costs of acquiring  Excalibur in a hostile  takeover.  We are subject to Section
203  of  the  Delaware  General   Corporation  Law,  which  prohibits   Delaware
corporations  from engaging in a wide range of specified  transactions  with any
person who becomes a 15% stockholder, under certain circumstances,  within three
years after such person became an "interested shareholder."

         Future Sales of Common Stock. A substantial  number of our  outstanding
shares of common stock are "restricted securities" as that term is defined under
Rule 144 under the Securities Act of 1933, which,  under certain  circumstances,
may be sold without  registration  with the Securities  and Exchange  Commission
under the Securities  Act. As of April 30, 1999, a total of 2,975,744  shares of
our common stock were  reserved for issuance and  registered  for sale under our
stock option plans.  Although our 1989 Incentive Plan expired on April 26, 1999,
we expect that it will be renewed by our stockholders at our 1999 annual meeting
of  stockholders  on August 24, 1999 on  substantially  the same terms. Of these
<PAGE>

shares,  1,724,682  were  exercisable  as of April 30, 1999. In addition,  as of
April 30, 1999 183,834  shares of common stock were reserved for issuance  under
our employee stock purchase plan,  which allows our employees to apply up to 10%
of their  paychecks  to  purchase  shares of our common  stock at 85% of current
market value. We cannot predict the effect that sales of Common Stock made under
Rule 144 or pursuant to these stock option and purchase  plans or otherwise  may
have on the then-prevailing market price of our common stock.

         Year 2000  Compliance.  We are currently  working to ensure that all of
our proprietary  business  systems and the third-party  business  systems we use
will not fail or make  miscalculations as a result of the Year 2000 date change.
The failure of such systems,  however,  could directly and adversely  affect our
ability  to  provide  our  services  or  otherwise  affect  revenues,  safety or
reliability  for such a period of time as to lead to  serious  or  unrecoverable
consequences. At the current time, our Year 2000 readiness plan anticipates that
both our  information  technology  and  non-information  technology  systems and
applications  will be Year 2000  compliant in all material  respects by early in
the fourth quarter of fiscal year 2000. This assessment is based on our analysis
to date and detailed  findings at our Vienna,  Virginia and  Columbia,  Maryland
locations.  We  cannot  assure  you,  however,  that we will be able to  achieve
complete compliance based on our status to date. Since we are not dependent upon
any single information  technology or non-information  technology system for the
majority of our revenue,  we do not believe that any single system's  failure to
be Year 2000  compliant  would have a material  adverse  effect on our business.
Contingency   plans  will  involve  the   procurement  of  newer  platforms  for
non-information  technology  systems  and  the  temporary  use  of  standardized
commercial   off-the-shelf   replacement  modules  for  information   technology
applications and business  functions.  While at present there are no indications
that any  contingency  plans  will be  necessary  or that  there will be revenue
disruptions,  we  cannot  assure  you that  this  will be the  case.  For a more
complete  discussion of the Year 2000 issue,  see  "Management's  Discussion and
Analysis of  Financial  Condition  and Results of  Operations--Factors  that May
Affect Future Results--Other  Factors" in our Annual Report on Form 10-K for the
fiscal year ended January 31, 1999, which is incorporated by reference into this
Prospectus.




<PAGE>



                                 Use Of Proceeds

         All of the net  proceeds  from the sale of the  Shares  covered by this
Prospectus will go to the Selling Stockholders who offer and sell the Shares. We
will not receive any proceeds  from the sale of the common stock  offered by the
Selling Stockholders pursuant to this Prospectus.




<PAGE>

<TABLE>
<CAPTION>


                              Selling Stockholders

         On March 30, 1999 the Company sold  500,000  shares of its Common Stock
to the  investors  listed  below in a  private  placement  at a price of $10 per
share.  The Company  agreed as part of that  transaction  to file a registration
statement  with  respect to such shares as soon as  practicable  after April 30,
1999.

         The  following  table sets  forth the  number of shares of  outstanding
common stock  beneficially  owned by the Selling  Stockholders as of the date of
this  Prospectus,  the  aggregate  number of shares  of common  stock  that each
Selling  Stockholder  may offer and sell  pursuant  to this  Prospectus  and the
aggregate  number of shares of  common  stock to be  beneficially  owned by each
Selling  Stockholder  upon  completion of the offering made hereby.  Because the
Selling  Stockholders  may sell all or a portion  of the  Shares at any time and
from time to time after the date  hereof,  no estimate can be made of the number
of  shares  of common  stock  that each  Selling  Stockholder  may  retain  upon
completion of the offering made hereby.  To our  knowledge,  none of the Selling
Stockholders has had within the past three years any material  relationship with
us or any of our predecessors or affiliates.
       <S>                                              <C>                <C>                      <C>

                                                  Number of Shares                           Number of Shares
                                                    Beneficially         Number of          Beneficially Owned
                                                        Owned          Shares Offered           after Sale
Selling Stockholders                                                       Hereby
                                                                                             Number         %
Robert D. Antolini                                        30,500            25,000              5,500       *
Michael Vecchio                                           20,000            20,000                  0      ----
Joseph Vecchio                                            30,000            30,000                  0      ----
John F. Northway, Sr. Trust 7-23-83                       20,000            10,000             10,000       *
Gary R. Kaiser TTEE                                        7,000             5,000              2,000       *
Gary R. Kaiser Revocable TR DTD
11-19-97 as amended
Peter Douglas Wierenga                                    10,000            10,000                  0      ----
Thomas M. Hyatt and                                        2,500             2,500                  0      ----
Patti L. Hyatt JT Ten
William A. Lawson                                          5,000             5,000                  0      ----
Peter Noor and Marcia A. Noor JT Ten                       2,500             2,500                  0      ----
Edward D. Stuursma Trust dtd 12-2-93                       2,500             2,500                  0      ----
Craig T. Newhof and Susan J. Newhof                        2,500             2,500                  0      ----
Annette Provenzano                                         2,500             2,500                  0      ----
Nordruk Partners Inv Co.                                  24,800            20,000              4,800       *
F. Jack Meyering TTEE                                      5,000             5,000                  0      ----
F. Jack Meyering Trust DTD 11-27-89
Paul C. Drueke and MaryJo Drueke                           5,000             5,000                  0      ----
The Clifford Dirkes Trust 1995                            35,000            10,000             25,000       *
Dr. Mohamed M. Haque                                      15,000            10,000              5,000       *
Charles H. Campbell Family Partnership, Ltd.              15,000            15,000                  0      ----
Robert Gordon Granchildren's Trust                        24,700            10,000             14,700       *
Richard A. Levy and Susan Cohen Levy                      38,000            10,000             28,000       *
Richard Hoving Jr. and Darlene Hoving Joint                2,500             2,500                  0      ----
Warburg Pincus Emerging Growth Fund                      200,000           200,000                  0      ----
Teleos Fund, LP (Dan Plager)                              11,500             9,100              2,400       *
Teleos Strategies, Ltd                                   108,500            85,900             22,600       *
                                                                            ------
                                                                           500,000
- ----------------------------------
*   Less than 1%.


</TABLE>

<PAGE>



                              Plan of Distribution

         The Selling  Stockholders or their pledgees may sell or distribute some
or all of their  Shares  from time to time  through  underwriters  or dealers or
brokers  or  other  agents  or  directly  to one or more  purchasers,  including
pledgees,  in transactions (which may involve crosses and block transactions) on
the Nasdaq National Market System,  privately negotiated transactions (including
sales  pursuant  to  pledges)  or  in  the  over-the-counter  market,  or  in  a
combination of such  transactions or by any other legally  available means. Such
transactions  may be  effected  by the  Selling  Stockholders  at market  prices
prevailing  at the time of sale,  at prices  related to such  prevailing  market
prices, at negotiated prices, or at fixed prices, which may be changed. Brokers,
dealers, agents or underwriters  participating in such transactions as agent may
receive  compensation in the form of discounts,  concessions or commissions from
the Selling  Stockholders  (and,  if they act as agent for the purchaser of such
shares, from such purchaser). Such discounts, concessions or commissions as to a
particular  broker,  dealer,  agent or  underwriter  might be in excess of those
customary in the type of transaction involved. This Prospectus also may be used,
with our consent,  by donees of the Selling  Stockholders,  or by other  persons
acquiring  the  Shares  and  who  wish to  offer  and  sell  such  Shares  under
circumstances  requiring or making desirable its use. To the extent required, we
will file,  during any period in which  offers or sales are being  made,  one or
more  supplements to this Prospectus to set forth the names of donees of Selling
Stockholders  and any other  material  information  with  respect to the plan of
distribution not previously disclosed.

         The Selling Stockholders and any such underwriters, brokers, dealers or
agents that participate in such  distribution may be deemed to be "underwriters"
within the meaning of the  Securities  Act, and any  discounts,  commissions  or
concessions received by any such underwriters,  brokers, dealers or agents might
be deemed to be underwriting discounts and commissions under the Securities Act.
Neither we nor the Selling  Stockholders  can  presently  estimate the amount of
such  compensation.  We know of no  existing  arrangements  between  the Selling
Stockholders and any underwriter,  broker, dealer or other agent relating to the
sale or distribution of the Shares.

         Under  applicable  rules and  regulations  under the Exchange  Act, any
person  engaged in a  distribution  of any of the Shares may not  simultaneously
engage in market  activities with respect to the common stock for a period of up
to five  business  days  prior  to the  commencement  of such  distribution.  In
addition and without limiting the foregoing,  the Selling  Stockholders  will be
subject to applicable  provisions of the Securities Exchange Act of 1934 and the
rules and regulations  thereunder,  including without  limitation Rule 10b-5 and
Regulation  M, which  provisions  may limit the timing of purchases and sales of
any of the Shares by the Selling  Stockholders.  All of the foregoing may affect
the marketability of the common stock.

         We will pay  substantially all of the expenses incident to the offering
of the Shares by the Selling  Stockholders to the public other than  commissions
and  discounts  of  underwriters,   brokers,  dealers  or  agents.  The  Selling
Stockholders  may  indemnify  any  broker,  dealer,  agent or  underwriter  that
participates  in  transactions  involving  sales of the Shares  against  certain
liabilities,  including  liabilities  arising under the Securities  Act. We have
agreed to  indemnify  the Selling  Stockholders  and any such  underwriters  and
controlling persons of such underwriters against certain liabilities,  including
certain liabilities under the Securities Act.
<PAGE>

         If Shares  are sold in an  underwritten  offering,  the  Shares  may be
acquired by the  underwriters  for their own  account and may be further  resold
from  time  to  time  in  one  or  more   transactions,   including   negotiated
transactions, at market prices prevailing at the time of sale, at prices related
to such prevailing market prices, at negotiated  prices, or at fixed prices. The
names of the underwriters with respect to any such offering and the terms of the
transactions,  including any underwriting discounts,  concessions or commissions
and   other   items   constituting   compensation   of  the   underwriters   and
broker-dealers,  if any,  will be set forth in a supplement  to this  Prospectus
relating  to such  offering.  Any  public  offering  price  and  any  discounts,
concessions or commissions allowed or reallowed or paid to broker-dealers may be
changed from time to time.  Unless  otherwise  set forth in a supplement to this
Prospectus,  the obligations of the  underwriters to purchase the Shares will be
subject to certain  conditions  precedent and the underwriters will be obligated
to purchase all of the shares  specified in such  supplement  if any such Shares
are purchased.

         In order to comply with certain states' securities laws, if applicable,
the  Shares  will be  sold in such  jurisdictions  only  through  registered  or
licensed brokers or dealers. In addition, in certain states the common stock may
not be sold unless the common stock has been registered or qualified for sale in
such state or an exemption from  registration or  qualification is available and
is complied with.



<PAGE>





                          Description of Capital Stock

         Our authorized  capital stock  consists of 40,000,000  shares of common
stock,  par value $.01 per share,  and 1,000,000  shares of preferred stock, par
value $.01 per  share,  of which  49,587  shares are  designated  as  Cumulative
Convertible  Preferred  Stock.  At April 30, 1999,  14,336,684  shares of common
stock were issued and  outstanding  and no shares of preferred stock were issued
or  outstanding,  except for 27,180 shares of Cumulative  Convertible  Preferred
Stock.

         Common  Stock.  The issued and  outstanding  shares of our common stock
are, and the Shares being offered  hereby are,  validly  issued,  fully paid and
non-assessable.  The  holders  of  outstanding  shares of our  common  stock are
entitled to receive dividends out of assets legally  available  therefor at such
times  and in such  amounts  as our  Board of  Directors  may from  time to time
determine.  We have  not  paid  any  dividends  and do not  expect  to pay  cash
dividends on our common stock in the  foreseeable  future.  All shares of common
stock have equal voting rights and, when validly  issued and  outstanding,  have
one  vote  per  share  in all  matters  to be  voted  upon by our  shareholders.
Cumulative voting in the election of directors is not allowed,  which means that
the  holders  of more  than 50% of the  outstanding  shares  can  elect  all the
directors  if they  choose  to do so and,  in such  event,  the  holders  of the
remaining  shares  will not be able to elect any  directors.  The shares have no
pre-emptive,  subscription,  conversion or redemption rights.  Upon liquidation,
dissolution  or  winding-up  of the  Excalibur,  the holders of common stock are
entitled  to  receive  pro rata our  assets  which  are  legally  available  for
distribution to shareholders.

         Preferred  Stock.  Our Board of  Directors  has the  authority to issue
1,000,000  shares  of  preferred  stock  in one or  more  series  and to fix the
designation,   relative  powers,  preferences  and  rights  and  qualifications,
limitations or  restrictions of all shares of each series,  including,  dividend
rates, conversion rights, voting rights, redemption and sinking fund provisions,
liquidation  preferences and the number of shares constituting each such series,
without any further vote or action by the shareholders. Our shares of Cumulative
Convertible  Preferred Stock are convertible  into shares of common stock at the
rate of ten shares of common stock per share of Cumulative Convertible Preferred
Stock.  Holders of the Cumulative  Convertible  Preferred  Stock are entitled to
receive  cumulative  dividends at $0.50 per share per annum payable  annually on
April 1, if  declared  by our  Board of  Directors,  in cash or shares of common
stock (as  determined  by the Board),  valued at the lower of $1.00 per share or
the  market  price  on the  date  of  declaration.  In the  event  of  voluntary
liquidation, dissolution or winding-up of Excalibur, or upon any distribution of
assets, whether voluntary or involuntary,  holders of the Cumulative Convertible
Preferred  Stock would have a liquidation  preference of $10.00 per share,  plus
accrued and unpaid dividends. The issuance of preferred stock could decrease the
amount of earnings and assets  available for  distribution  to holders of common
stock or adversely affect the rights and powers, including voting rights, of the
holders  of common  stock and  could,  among  other  things,  have the effect of
delaying,  deferring  or  preventing  a change in control of  Excalibur  without
further action by our shareholders. We have no present plans to issue any shares
of preferred stock or additional Cumulative Convertible Preferred Stock.

<PAGE>

         Certain  Anti-Takeover  Provisions.  As  of  April  30,  1999,  we  had
approximately  22,503,738  unreserved shares of common stock,  950,413 shares of
preferred  stock and 22,407 shares of  Cumulative  Convertible  Preferred  Stock
available  for  future  issuance  without  further  shareholder  approval.   The
existence  of our  authorized  but unissued  capital  stock,  together  with the
possible continued voting control by Allen & Company (see "Risk Factors - Voting
Control by Principal Shareholder"), could discourage an acquisition of Excalibur
that is deemed  undesirable  by our Board of  Directors.  Under our stock option
plans,  as  amended,  in the event of a change in  control,  stock  appreciation
rights  and  limited  stock  appreciation  rights  outstanding  for at least six
months,  as well as any  stock  options  which are not then  exercisable,  would
become  fully  exercisable  and vested.  Our option plans may have the effect of
significantly increasing the costs of acquiring Excalibur in a hostile takeover.
We are subject to Section 203 of the Delaware  General  Corporation  Law,  which
prohibits  Delaware  corporations  from  engaging  in a wide range of  specified
transactions  with any  person  who  becomes a 15%  stockholder,  under  certain
circumstances,  within  three  years  after such  person  became an  "interested
shareholder."  Because  Allen & Company  Incorporated's  stock  ownership in the
Company, which otherwise would cause it to be such an "interested  stockholder,"
predates the 1987  effective  date of Section  203,  Allen is not subject to the
prohibitions of such Section.

         Transfer Agent.  The transfer agent and registrar for our common
stock is American Securities Transfer, Inc. of Denver, Colorado.


                                  Legal Matters

         The  validity  of the  issuance of the shares of common  stock  offered
hereby and certain  other  matters  will be passed upon for us by Heller  Ehrman
White & McAuliffe, New York, New York.


                                     Experts

         The financial  statements as of and for the year ended January 31, 1999
incorporated  in this  Prospectus by reference to the Annual Report on Form 10-K
for the year ended January 31, 1999 have been so incorporated in reliance on the
report of  PricewaterhouseCoopers  LLP,  independent  accountants,  given on the
authority of said firm as experts in auditing and accounting.

         The audited financial statements of Excalibur Technologies  Corporation
as of January 31, 1998 and for each of the two years in the period ended January
31, 1998 incorporated by reference in this Prospectus and registration statement
have  been  audited  by  Arthur  Andersen  LLP,  independent   certified  public
accountants,  as  indicated  in their  reports  with  respect  thereto,  and are
included herein in reliance upon the authority of said firm as experts in giving
said reports.



<PAGE>


                                      II-5

                                     PART II

                   INFORMATION NOT REQUIRED IN THE PROSPECTUS

ITEM 14.  OTHER EXPENSES OF ISSUANCE AND DISTRIBUTION

The estimated  expenses in connection with the issuance of the securities  being
registered,  all of which will be paid by the Registrant pursuant to contractual
obligations, are as follows:

SEC Registration Fee................................................     $2,093
Printing Expenses...................................................      5,000
Accounting Fees and Expenses........................................     10,000
Legal Fees and Expenses.............................................     15,000
Miscellaneous.......................................................      5,000
                                                                         ------

             Total..................................................    $37,093
             ======                                                     =======


ITEM 15.  INDEMNIFICATION OF DIRECTORS AND OFFICERS

         Delaware  General  Corporation  Law.  Section  145(a)  of the  Delaware
General  Corporation  Law (the "GCL")  provides that a Delaware  corporation may
indemnify  any person who was or is a party or is  threatened to be made a party
to any  threatened,  pending or completed  action,  suit or proceeding,  whether
civil, criminal,  administrative or investigative (other than an action by or in
the right of the corporation) by reason of the fact that such person is or was a
director, officer, employee or agent of the corporation, or is or was serving at
the  request of the  corporation  as a director,  officer,  employee or agent of
another  corporation  or  enterprise,  against  expenses,  judgments,  fines and
amounts paid in settlement  actually and  reasonably  incurred by such person in
connection with such action, suit or proceeding if he or she acted in good faith
and in a manner he or she  reasonably  believed  to be in or not  opposed to the
best interests of the  corporation,  and, with respect to any criminal action or
proceeding, had no cause to believe his or her conduct was unlawful.

         Section  145(b) of the GCL  provides  that a Delaware  corporation  may
indemnify  any person who was or is a party or is  threatened to be made a party
to any threatened, pending or completed action or suit by or in the right of the
corporation  to procure a judgment  in its favor by reason of the fact that such
person acted in any of the capacities set forth above, against expenses actually
and  reasonably  incurred  by such  person in  connection  with the  defense  or
settlement  of such action or suit if he or she acted under  similar  standards,
except  that no  indemnification  may be made in respect of any claim,  issue or
matter as to which  such  person  shall  have  been  adjudged  to be liable  for
negligence  or  misconduct  in  the  performance  of  his  or  her  duty  to the
corporation unless and only to the extent that the court in which such action or
suit was brought shall determine that, despite the adjudication of liability but
in view of all  the  circumstances  of the  case,  such  person  is  fairly  and
reasonably  entitled to be  indemnified  for such expenses which the court shall
deem proper.

         Section  145 of GCL further  provides  that to the extent a director or
officer of a corporation has been successful in the defense of any action,  suit
or  proceeding  referred to in  subsection  (a) and (b) or in the defense of any

<PAGE>
claim,  issue or matter  therein,  such officer or director shall be indemnified
against  expenses  actually and reasonably  incurred by him or her in connection
therewith;  that indemnification provided for by Section 145 shall not be deemed
exclusive  of any other rights to which the  indemnified  party may be entitled;
and that the  corporation  may purchase  and  maintain  insurance on behalf of a
director or officer of the corporation  against any liability  asserted  against
such  officer or director  and  incurred  by him or her in any such  capacity or
arising out of is or her status as such,  whether or not the  corporation  would
have the power to indemnify  him or her against such  liabilities  under Section
145.

         Certificate  of  Incorporation  and Bylaws.  The  Registrant's  By-laws
provide,  pursuant to Section 145 of the General Corporation Law of the State of
Delaware,  for indemnification of officers,  directors,  employees and agents of
the  Registrant  and persons  serving at the request of the  Registrant  in such
capacities within other business  organizations  against certain losses,  costs,
liabilities  and  expenses  incurred  by  reason  of  their  position  with  the
Registrant or such other business organizations.


ITEM 16.  EXHIBITS

The following exhibits are filed as part of this Registration Statement.

Exhibit
Number                                          Description

2.1   Agreement and Plan of Merger Between Excalibur, Excalibur Acquisition
      Corporation and ConQuest Software, Inc., dated July 5, 1995. (1)

2.2  Agreement of Merger Between Excalibur, EXCA Acquisition Corporation and
     Interpix Software Corporation dated May 2, 1997. (2)

5.1  Opinion of Heller Ehrman White & McAuliffe, counsel to the Registrant.

23.1  Consent of PricewaterhouseCoopers LLP, Independent Accountants.
23.2  Consent of Arthur Andersen LLP, Independent Accountants.
23.3  Consent of Heller Ehrman White & McAuliffe (included in Exhibit 5.1).
24.1  Powers of Attorney (included as part of signature page of this
      Registration Statement).
- ------------------------------------

(1) Incorporated herein by reference to Form 8-K, filed August 4, 1995.

(2) Incorporated  herein by reference to Form 10-K for the year ended
    January 31, 1998, filed April 23, 1998.


ITEM 17.  UNDERTAKINGS

(a) The undersigned registrant hereby undertakes:

<PAGE>
    (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;

    (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 percent 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  registration  statement  is on Form S-3,  Form S-8 or
             Form  F-3,  and  the  information  required  to  be  included  in a
             post-effective  amendment  by  those  paragraphs  is  contained  in
             periodic  reports filed with or furnished to the  Commission by the
             registrant pursuant to Section 13 or 15(d) of the Exchange Act that
             are incorporated by reference in the registration statement.

             (2) That,  for the purpose of determining  any liability  under the
             Securities Act, 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, each filing of the
     registrant's  annual  report  pursuant  to  Section  13(a)  or 15(d) of the
     Exchange  Act  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) Insofar as indemnification for liabilities arising under the Securities
     Act 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  Commission  such
     indemnification is against public policy as expressed in the Securities 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  Securities  Act and will be governed by
     the final adjudication of such issue.



<PAGE>


                                   SIGNATURES

Pursuant to the  requirements  of the  Securities  Act, the  registrant has duly
caused  this  Registration   Statement  to  be  signed  on  its  behalf  by  the
undersigned,  thereunto duly authorized, in the Town of Vienna,  Commonwealth of
Virginia, on the 3rd day of June, 1999.

                       EXCALIBUR TECHNOLOGIES CORPORATION

                                      By:  /s/  Patrick C. Condo
                                           Patrick C. Condo
                                        Chief Executive Officer and President

                                POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS,  that each person whose signature  appears below
hereby  constitutes  and  appoints  Patrick  C.  Condo  his/her  true and lawful
attorneys-in-fact,  each  acting  alone,  with full powers of  substitution  and
resubstitution, for him/her and in his/her name, place and stead, in any and all
capacities  to  sign  any  or  all  amendments,   including  any  post-effective
amendments,  to this  registration  statement,  and any subsequent  registration
statement filed pursuant to Rule 462(b) under the Securities Act of 1933, and to
file the  same,  with  exhibits  thereto,  and  other  documents  in  connection
therewith,  with the Securities and Exchange  Commission,  hereby  ratifying and
confirming all that said  attorneys-in-fact  or their  substitutes,  each acting
alone, may lawfully do or cause to be done by virtue hereof.

Pursuant to the requirements of the Securities Act, this Registration  Statement
on Form S-3 has been signed by the following  persons in the  capacities  and on
the dates indicated.


<TABLE>

                 <S>                                          <C>                               <C>

              SIGNATURE                                     CAPACITY                           DATE


     /s/ Patrick C. Condo                         President, Chief Executive Officer and   June 1, 1999
- ------------------------------
          Patrick C. Condo                        Director (Principal Executive Officer)

     /s/ Donald R. Keough                         Chairman of the Board                    June 2, 1999
- -------------------------------
          Donald R. Keough

     /s/ James H. Buchanan                        Chief Financial Officer, Secretary and   June 1, 1999
- ------------------------------
          James H. Buchanan                       Treasurer (Principal Financial Officer
                        and Principal Accounting Officer)

     /s/ Richard M. Crooks, Jr.                   Director                                 June 2, 1999
- ----------------------------------
          Richard M. Crooks, Jr.

     /s/ John S. Hendricks                        Director                                 June 1, 1999
- --------------------------------
          John S. Hendricks

                                                  Director                                 June 3, 1999
          W. Frank King III

                                                  Director                                 June 3, 1999
          John J. McMillian

     /s/ Philip J. O'Reilly                       Director                                 June 2, 1999
- -------------------------------
          Philip J. O'Reilly


</TABLE>

<PAGE>




                                  EXHIBIT INDEX

Exhibit
Number                              Description

2.1          Agreement and Plan of Merger Between Excalibur, Excalibur
             Acquisition Corporation and ConQuest Software, Inc.,
             dated July 5, 1995. (1)
2.2          Agreement of Merger Between Excalibur, EXCA Acquisition Corporation
             and Interpix Software Corporation dated May 2, 1997. (2)
5.1          Opinion of Heller Ehrman White & McAuliffe, counsel to the
             Registrant.
23.1         Consent of PricewaterhouseCoopers LLP, Independent Accountants.
23.2         Consent of Arthur Andersen LLP, Independent Accountants.
23.3         Consent of Heller Ehrman White & McAuliffe
             (included in Exhibit 5.1).
24.1         Powers of Attorney (included as part of signature page of this
             Registration Statement).
- ------------------------------------

(1) Incorporated herein by reference to Form 8-K, filed August 4, 1995.

(2) Incorporated  herein by reference to Form 10-K for the year ended
    January 31, 1998, filed April 23, 1998.





<PAGE>



                                   EXHIBIT 5.1

                   OPINION OF HELLER EHRMAN WHITE & MCAULIFFE



                                                     June 3, 1999


Excalibur Technologies Corporation
1921 Gallows Road, Suite 200
Vienna, VA 22182

         Re:  Registration Statement on Form S-3

Ladies and Gentlemen:

         We have acted as  counsel  to  Excalibur  Technologies  Corporation,  a
Delaware  corporation  (the  "Company"),  in  connection  with the  Registration
Statement  on Form  S-3 (the  "Registration  Statement")  to be  filed  with the
Securities and Exchange  Commission on or about June 3, 1999, for the purpose of
registering under the Securities Act of 1933, as amended,  500,000 shares of its
Common  Stock,  $.01 par value  (the  "Shares").  The  Shares  have been  issued
pursuant  to the  Subscription  Agreements,  each  dated  March  30,  1999  (the
"Subscription Agreements"), among the Company and the subscribers named therein.

         In connection  with this opinion,  we have assumed the  authenticity of
all  records,  documents  and  instruments  submitted  to us as  originals,  the
genuineness of all  signatures,  the legal  capacity of natural  persons and the
conformity to the originals of all records,  documents and instruments submitted
to us as copies.  We have  based our  opinion  upon our review of the  following
records, documents and instruments:

             (a)  The Certificate of Incorporation of the Company, as amended as
                  of the date hereof;

             (b) The By-laws of the Company, as amended as of the date hereof;;

             (c)  Records  certified  to us by an  officer  of  the  Company  as
             constituting the records of proceedings and actions of the Board of
             Directors of the Company relating to the issuance of the Shares;

             (d)  The Registration Statement; and

             (e)  The Subscription Agreements.

         This  opinion  is limited to the  federal  law of the United  States of
America and the General  Corporation  Law of the State of Delaware.  We disclaim
any opinion as to any other statute, rule, regulation, ordinance, order or other
promulgation  of any other  jurisdiction  or any regional or local  governmental
body.

         Our opinion  expressed herein assumes that the Subscription  Agreements
were duly authorized,  executed and delivered by the parties thereto in the form
that  we have  reviewed  as of the  date of this  opinion,  and  that  the  full
consideration  stated in the  Subscription  Agreements set by Board of Directors
when authorizing the issuance of the Shares has been paid and/or transferred.

         Based upon the foregoing and our  examination  of such questions of law
as we have deemed  necessary or appropriate  for the purpose of this opinion and
assuming  that (i) the  Registration  Statement  becomes and  remains  effective
during the period  when the Shares are  offered  and sold;  (ii) the Shares were
issued in  accordance  with the  terms of the  Subscription  Agreements  and the
resolutions  authorizing their issuance;  (iii)  appropriate stock  certificates
evidencing  the Shares were  executed  and  delivered;  and (iv) all  applicable
securities  laws are complied  with,  it is our opinion that the Shares are duly
authorized and validly issued, and are fully paid and nonassessable.

This opinion is rendered to you in connection  with the  Registration  Statement
and is solely for your  benefit.  This opinion may not be relied upon by you for
any other  purpose,  or relied upon by any other person,  firm,  corporation  or
other entity for any purpose, without our prior written consent. We disclaim any
obligation to advise you of any change of law that occurs, or any facts which we
become aware after the date of this opinion.

We  hereby  consent  to  the  filing  of  this  opinion  as an  exhibit  to  the
Registration Statement.

                                Very truly yours,


                         /s/ Heller Ehrman White & McAuliffe
                         HELLER EHRMAN WHITE & MCAULIFFE




<PAGE>


                                  EXHIBIT 23.1

                       CONSENT OF INDEPENDENT ACCOUNTANTS


         We  hereby   consent  to  the   incorporation   by  reference  in  this
Registration  Statement on Form S-3 of our report dated March 30, 1999  relating
to the financial statements and financial statement schedules,  which appears in
Excalibur  Technologies  Corporation's  Annual  Report on Form 10-K for the year
ended  January  31,  1999.  We also  consent to the  references  to us under the
heading "Experts" in such Registration Statement.


PricewaterhouseCoopers LLP
McLean, Virginia
June 3, 1999.


<PAGE>


                                  EXHIBIT 23.2

               CONSENT OF INDEPENDENT CERTIFIED PUBLIC ACCOUNTANTS


` As independent public  accountants,  we hereby consent to the incorporation by
reference  in this  Registration  Statement  on Form  S-3 of our  reports  dated
February 27, 1998 included in Excalibur Technologies  Corporation's Form10-K for
the year ended January 31, 1999,  and to all  references to our Firm included in
this Registration Statement.

ARTHUR ANDERSEN LLP

Washington, D.C., June 2, 1999.








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