List of search engines

For a topical guide to this subject, see Outline of search engines.

This is a list of search engines, including web search engines, selection-based search engines, metasearch engines, desktop search tools, and web portals and vertical market websites that have a search facility for online databases. For a list of search engine software, see List of enterprise search vendors.

By content/topic


Name Language
Baidu Chinese, Japanese
Bing Multilingual
DuckDuckGo Multilingual
Ecosia* Multilingual
Exalead Multilingual
Gigablast English
Google Multilingual
Munax Multilingual
Qwant Multilingual
Sogou Chinese Chinese
Yahoo!* Multilingual
Yandex Multilingual
Youdao Chinese

* Bing powered

P2P search engines

Name Language
FAROO English
Seeks (Open Source) English
YaCy (Free and fully decentralized) Multilingual

Metasearch engines

Name Language
DeeperWeb English
Dogpile English
Excite English
HotBot English English
Ixquick (StartPage) Multilingual
Kayak and SideStep Multilingual
Metacrawler English
Mobissimo Multilingual
Otalo English
PCH Search and Win
Skyscanner Multilingual
WebCrawler English
Yippy (formerly Clusty) English

Geographically limited scope

Name Language Country
Accoona Chinese, English China, United States
Ansearch English Australia, New Zealand, United Kingdom, United States
Biglobe Japanese Japan
Daum Korean Korea
Egerin Kurdish Kurdistan
Goo Japanese Japan Iceland
Maktoob Arab World Hungary Slovenia
Naver Korean Korea
Rambler Russia
Rediff India
SAPO Portugal, Angola, Cape Verde, Mozambique Switzerland
Sesam Norway, Sweden
Seznam Czech Republic
Walla! Israel
Yandex Russia, Turkey, Ukraine, Belarus, Kazakhstan
ZipLocal Canada, United States


See also: Semantic search
Search Engine Name Description Speciality
Evi[1] Specialises in knowledge base and semantic search answer engine
Yummly Semantic web search engine for food, cooking and recipes food related
Swoogle Searching over 10,000 ontologies Semantic web ontologies. Indexes over 4 million semantic web documents.






Academic materials only:







Main article: Job search engine




Real estate/property


Video Games


By information type

Search engines dedicated to a specific kind of information




Source code


These search engines work across the BitTorrent protocol.




Question and answer

Human answers

Automatic answers

Natural language

By model

Social and environmental focus

Privacy search engines

Open source search engines

Semantic browsing engines

Social search engines

Visual search engines

Search appliances

Desktop search engines

See also: Desktop search

Desktop search engines listed on a light purple background are no longer in active development.

Name Platform Remarks License
Autonomy Windows IDOL Enterprise Desktop Search, HP Autonomy Universal Search.[3] 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 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
Google Desktop Linux, Mac OS X, Windows Integrates with the main Google search engine page. 5.9 Release now supports x64 systems. As of September 14, 2011, Google has discontinued this product. Freeware
GNOME Storage Linux Open Source desktop search tool for Unix/Linux GPL
ISYS Search Software Windows ISYS:desktop search software. Proprietary (14-day trial)
Locate32 Windows Graphical port of Unix's locate & updatedb BSD License[4]
Lookeen Windows Major Microsoft Windows search product. Proprietary (14-day trial)[5]
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
Tracker Linux, Unix Open Source desktop search tool for Unix/Linux GPL v2 [6]
Recoll Linux, Unix, Windows, macOS Open Source desktop search tool for Unix/Linux GPL [7]
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 LGPL v2 [8]
Terrier Search Engine Linux, Mac OS X, Unix Desktop search for Windows, Mac OS X (Tiger), Unix/Linux. MPL
Tropes Zoom Windows Semantic Search Engine (no longer available).[9] Freeware and commercial
Unity Dash Linux Part of Ubuntu Desktop. GPL v3
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)[10]


By popularity

Based on




Defunct or acquired search engines

See also


  1. . Accessed 2013 June 14.
  2. "SimilarWeb". SimilarWeb. Retrieved 20 February 2015.
  3. "HP Universal Search". Retrieved 2014-07-01.
  4. According to
  5. "Lookeen 10". Lookeen. Retrieved 2016-02-03.
  6. According to COPYING in SVN trunk.
  7. According to .
  8. According to COPYING in version 0.5.10 tar.bz2 package.
  9. According to Retrieved 15 August 2015.
  10. "X1 Search 8". X1 Technologies. Retrieved 12 July 2014.
  11. "Data, Data, Everywhere Data. Now a Better Way to Understand It". 27 March 2015.
  12. According to domain liquidation notice at (Italian)
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