List of Enterprise Search Vendors

= Free and Open Source Enterprise Search Software =

*Lucene
*Xapian
*Solr

Vendors of Proprietary Enterprise Search Software

*AskMeNow
*Autonomy Corporation
*Concept Searching Limited
*Coveo
*Dieselpoint,_Inc.
*dtSearch Corp.
*Endeca Technologies Inc.
*Exalead
*Expert System S.p.A.
*Funnelback
*Google Search Appliance
*IBM
*ISYS Search Software
*Microsoft (includes Microsoft Search Server, Fast Search & Transfer):
*Open Text Corporation
*Oracle Corporation
*SAP
*TeraText
*Vivísimo
*X1 Technologies, Inc.
*ZyLAB Technologies

Enterprise Search Acquisitions since 1999

July 1999Disney buys Infoseek Ultraseek [http://www.webtravelnews.com/archive/article.html?id=189]

June 2000
Inktomi acquires Ultraseek for $344 million [http://searchenginewatch.com/showPage.html?page=2162701]

January 2002Divine acquires Northern Light for undisclosed stock [http://www.crn.com/it-channel/18819040]

November 2002
Verity acquires Inktomi Ultraseek for $25 million [http://newsbreaks.infotoday.com/nbreader.asp?ArticleID=17046]

June 2003FAST acquires AltaVista enterprise search for undisclosed ($25 million?)

February 2005
WebSideStory Acquires Atomz For $40 million

May 2005
Sybase Acquires ISDD For $3.7 million [http://www.sybase.com/content/1041415/2005Form10-K.pdf]

August 2005
Oracle acquires TripleHop for undisclosed (~$3 million?)

December 2005
Autonomy acquires Verity for $500 million (using $250 million of Verity's cash) [http://www.infoworld.com/article/05/11/04/HNautonomyverity_1.html]

February 2006Mondosoft acquires Navigo Ontolica for undisclosed (~$15 million?)

August 2006
Open Text acquires Hummingbird Fulcrum for $489 million

April 2007FAST acquires Convera RetrievalWare for $23 million

July 2007
Business Objects acquires Inxight for undisclosed ($50 million?) [http://www.businessobjects.com/news/press_release.asp?id=20070522_005564]

November 2007
IBM acquires iPhrase for undisclosed (~$25 million?)

November 2007SurfRay acquires Mondosoft for undisclosed (~$50 million?)

January 2008
Microsoft acquires FAST Search and Transfer for $1.3 billion

March 2008SAS acquires Teragram for undisclosed [http://www.teragram.com/news/pr20080317sas.html]

ee also

* Enterprise search