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(Redirected from Search engines)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.
By content/topic General† Main website is a portal
Geographically localized Accountancy BusinessGeneral:
Academic materials only:
EnterpriseSearch engines dedicated to a specific kind of information
Datasets Maps Multimedia Price Source code BitTorrentThese search engines work across the BitTorrent protocol.
Desktop search engines listed on a light purple background are no longer in active development.
Name Platform Remarks License HP Autonomy Windows IDOL Enterprise Desktop Search, HP Autonomy Universal Search.[5] Proprietary, commercial Beagle Linux Open-source desktop search tool for Linux based on Lucene. Unmaintained since 2009. A mix of the X11/MIT License and the Apache License Copernic Desktop Search Windows Major desktop search program. 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. Proprietary (30 day trial) DocFetcher Cross-platform Open-source desktop search tool for Windows and Linux, based on Apache Lucene Eclipse Public License dtSearch Desktop Windows Proprietary (30 day trial) Everything Windows Find files and folders by name instantly on NTFS volumes Freeware Found MacOS Searches for files stored locally, and the cloud and inbox and, is summoned with a double-tap of the ctrl key. Program now discontinued. Free, Proprietary GNOME Storage Linux Open-source desktop search tool for Unix/Linux GPL Google Desktop Linux, Mac OS X, Windows Integrates with the main Google search engine page. As of September 14, 2011, Google has discontinued this product. Freeware ISYS Search Software Windows ISYS:Desktop search software. Proprietary (14-day trial) KRunner Linux Locate32 Windows Graphical port of Unix's locate & updatedb BSD License[6] Lookeen Windows Desktop search product with Outlook plugin and limited support for other formats via IFilters, uses Lucene search engine. Proprietary (14-day trial)[7] Nepomuk Linux Open-source semantic desktop search tool for Linux. Has been replaced by Baloo in KDE Applications from release 4.13 onward. License SA 3.0 and the GNU Free Documentation License 1.2 Recoll Linux, Unix, Windows, macOS Open-source desktop search tool for Unix/Linux GPL [8] Spotlight macOS Found in Apple Mac OS X "Tiger" and later OS X releases. Proprietary Strigi Linux, Unix, Solaris, Mac OS X and Windows Cross-platform open-source desktop search engine. Unmaintained since 2011-06-02[9]. LGPL v2 [10] Terrier Search Engine Linux, Mac OS X, Unix Desktop search for Windows, Mac OS X (Tiger), Unix/Linux. MPL v1.1[11] Tracker Linux, Unix Open-source desktop search tool for Unix/Linux GPL v2 [12] Tropes Zoom Windows Semantic Search Engine (no longer available)[13] Freeware and commercial Unity Dash Linux Part of Ubuntu Desktop GPL v3,[14] LGPL v2.1[15] Windows Search Windows Part of Windows Vista and later OSs. Available as Windows Desktop Search for Windows XP and Server 2003. Does not support indexing UNC paths on x64 systems. Proprietary X1 Desktop Search Windows Major desktop search product along with Copernic Desktop Search Proprietary (14-day trial)[16] Wumpus Cross platform Desktop search focused on information retrieval research GPL Child-safe search engines Metasearch engines Natural languageRetroSearch is an open source project built by @garambo | Open a GitHub Issue
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