As of September 14, 2011, Google has discontinued this product. Integrates with the main Google search engine page. Open-source desktop search tool for Unix/Linux Open-source desktop search tool for Windows and Linux, based on Apache Luceneįind files and folders by name instantly on NTFS volumes The full trial version downgrades after the trial period automatically to the free version, which is (anno 2018) limited to indexing a maximum of 10.000 files. Unmaintained since 2009.Ī mix of the X11/MIT License and the Apache License Open-source desktop search tool for Linux based on Lucene. IDOL Enterprise Desktop Search, HP Autonomy Universal Search. Search engines dedicated to a specific kind of informationĭesktop search engines listed on a light purple background are no longer in active development. Taptu: taptu mobile/social search (now defunct).Taganode Local Search Engine (now defunct).CiteAb (antibody search engine for medical researchers).Yahoo! HotJobs (Countrywise subdomains, International).Openverse, search engine for open content.Search engines, including web search engines, selection-based search engines, metasearch engines, desktop search tools, and web portals and vertical market websites have a search facility for online databases.Īpache 2.0 until 2021, then Elasticsearch For comparison tables, see Comparison of web search engines. For a topical guide to this subject, see Outline of search engines.