Acquired or defunct search engines

* BRS/Search (now OpenText Livelink ECM Discovery Server)
* Direct Hit Technologies (acquired by Ask Jeeves in January, 2000)
* Google Answers
* Infoseek
* Inktomi
* Lotus Magellan
* Overture.com (formerly GoTo.com, now Yahoo! Search Marketing)
* PubSub
* Singingfish
* Teoma
* Wikia Search
* WiseNut
* World Wide Web Worm
* tafiti