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 .
General
† Main website is a portal
Geographically localized
Accountancy
Business
Computers
Content
Dark web
Education
General:
Academic materials only:
Enterprise
Events
Tickex (US, UK)TickX (UK, Ireland, Spain, Netherlands)
Food and recipes
Genealogy
Job
Legal
Medical
News
People
Television
Travel
Video
Video games
By data type
Search engines dedicated to a specific kind of information
Maps
Price
Source code
BitTorrent
These search engines work across the BitTorrent protocol .
Blog
By model
Search appliances
Desktop search engines
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 Has been replaced by Baloo in KDE Applications from release 4.13 onward.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] [ 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
Natural language
Open-source search engines
Web search engine
Enterprise search
P2P search engines
Name
Language
Seeks (open-source)English
YaCy (free and fully decentralized)Multilingual
Privacy search engines
Social and environmental focus
Semantic browsing engines
Name
Description
Speciality
Evi Specialises in knowledge base and semantic search
answer engine
Swoogle Searching over 10,000 ontologies
Semantic web documents
Yebol defunct
Yummly Semantic web search for food, cooking, and recipes
food related
Social search engines
Usenet
Visual search engines
By popularity
Defunct or acquired search engines
See also
References
^ "Kurdish Swede creates first Kurdish search engine" . Bas News. Archived from the original on 2014-01-02. Retrieved 1 January 2014 .^ "First Kurdish Search Engine, Egerin, Is Launched" . SBWire. 30 December 2013. Retrieved 1 January 2014 .^ "This Entrepreneur Wants to Build a Kurdish Alternative to Google" . www.vice.com . 18 March 2016.^ Sullivan, Danny (April 18, 2007). "Goodbye Froogle, Hello Google Product Search!" . Search Engine Land. Retrieved 3 June 2018 . ^ "HP Universal Search" . Archived from the original on 2015-05-16. Retrieved 2014-07-01 .^ "Download Locate32 3.1.11.7100" . softpedia . 20 August 2012.^ "Lookeen 10" . Lookeen. Retrieved 2016-02-03 .^ According to Recoll
^ See "Strigi's Release Files" . Retrieved 2024-01-18 .
^ According to COPYING inside version 0.5.10 tar.bz2 package.
^ "Terrier License" . GitHub . 13 November 2021.^ According to COPYING Archived 2012-07-14 at archive.today in SVN trunk.
^ "Retrieved 15 August 2015" . Archived from the original on 6 August 2019. Retrieved 16 August 2015 .^ "Unity on GitHub" . GitHub . 19 November 2021.^ "Required License Files" . GitHub . 19 November 2021.^ "X1 Search 8" . X1 Technologies. Retrieved 12 July 2014 .^ Darrow, Barb (October 13, 2017). "Alibaba Is Adding This Key Technology to Its Growing Cloud" . Fortune . Retrieved August 21, 2018 . ^ "Data, Data, Everywhere Data. Now a Better Way to Understand It" . 27 March 2015.^ "Il dominio Volunia.it è in vendita" . MRW.it News . 11 April 2014.
External links
