Tools that have been discontinued
ActiveSearch SiteSearch SDK
BUS (Bottom-Up Scheme) Indexer and Search Engine
MPS Information Server
Tools that show no sign of current development
CGISRCH - AnalogX CGI Search Engine
Universal Knowledge Processor
Isearch: "Isearch is available for download; however, this original version is no longer actively maintained."
Juggernautsearch Engine is still downloadable. The site was last updated in 2004.
AKTIV Phantom is still downloadable, but its site was last updated May 2004.
Tools that have changed significantly
Atomica changed name and business model; it's now a free web search engine called Answers.com.
DocFather has gone on to become part of the SiteForum portal platform.
Intelliseek Enterprise Search Server is now Nielsen BuzzMetrics.
IBM Intelligent Miner for Text now seems to have become the "Intelligent Miner Library."
ic-find has become the target-marketing specialist company wunderloop.
IMP Database Search Engine has been incorporated into Ocelluz search solutions.
iPlanet Portal now seems to be Sun Java System Portal Server.