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List of search engines

From Wikipedia, the free encyclopedia

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

General

Name Language
Ask.com** Multilingual
Baidu Chinese
Dogpile*** English
DuckDuckGo* Multilingual
Ecosia* Multilingual
Exalead Multilingual
Excite*† Multilingual
Gigablast English
Google Search Multilingual
HotBot* English
Lycos* Multilingual
MetaCrawler*** English
Microsoft Bing Multilingual
Mojeek Multilingual
Petal Multilingual
Qwant* Multilingual
Searx*** Multilingual
Sogou Multilingual
Startpage.com** English
Swisscows* Multilingual
WebCrawler* English
Yahoo! Search*† Multilingual
Yandex Search Multilingual
Yippy*** English
Youdao Chinese

* Powered by Microsoft Bing

** Powered by Google

*** Metasearch engine

† Main website is a portal

Based on

Based on Ask.com (formerly)
Based on Bing
Based on Google
Based on Yahoo!
  • Ecocho (now defunct)
  • Forestle (an ecologically motivated site supporting sustainable rain forests – formerly based on Google)
  • Rectifi (now defunct)

Mobile/handheld

  • Taganode Local Search Engine
  • Taptu: taptu mobile/social search

Geographically localized

Name Language Country
Accoona Chinese, English China, United States
Biglobe Japanese Japan
Daum Korean Korea
Egerin Kurdish Kurdistan
Fireball German, English Germany
Goo Japanese Japan
Leit.is Icelandic, English Iceland
Maktoob Arabic, English Arab World
Miner.hu Hungarian Hungary
Najdi.si Slovenian Slovenia
Naver Korean Korea
Pipilika Bangladesh
Rambler Russian Russia
Rediff India
SAPO Portuguese Portugal, Angola, Cape Verde, Mozambique
Search.ch Switzerland
Sesam Norway, Sweden
Seznam Czech Czech Republic
Walla! Israel
Yahoo Japan Japanese Japan
Yongzin Tibetan China
ZipLocal English Canada, United States

Accountancy

Business

Computers

Dark Web

Main article: Dark web

Education

General:

Academic materials only:

Enterprise

See also: Enterprise search

Events

  • Tickex (US, UK)
  • TickX (UK, Ireland, Spain, Netherlands)

Food and recipes

Genealogy

  • Mocavo.com: family history search engine

Job

Main article: Job search engine

Legal

  • Google Scholar
  • Lexis (Lexis Nexis)
  • Quicklaw
  • WestLaw

Medical

News

People

Real estate/property

Television

Video games

  • Wazap

By data type

Search engines dedicated to a specific kind of information

Maps

Multimedia

See also: Multimedia search

Price

Source code

BitTorrent

These search engines work across the BitTorrent protocol.

  • BTDigg
  • Isohunt
  • Mininova
  • The Pirate Bay
  • TorrentSpy
  • Torrentz

Blog

Email

Forum

Question and answer

Main article: List of question-and-answer websites

Human answers

  • Answers.com
  • eHow
  • Quora
  • Stack Overflow/Stack Exchange Network
  • Uclue
  • wikiHow
  • Yahoo! Answers

Automatic answers

See also: Question answering

By model

Search appliances

Main article: Search appliance

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.[2] 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
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. 5.9 Release supports x64 systems. As of September 14, 2011, Google has discontinued this product. Freeware
ISYS Search Software Windows ISYS:Desktop search software. Proprietary (14-day trial)
Locate32 Windows Graphical port of Unix's locate & updatedb BSD License[3]
Lookeen Windows Desktop search product with Outlook plugin and limited support for other formats via IFilters, uses Lucene search engine. Proprietary (14-day trial)[4]
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 [5]
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 [6]
Terrier Search Engine Linux, Mac OS X, Unix Desktop search for Windows, Mac OS X (Tiger), Unix/Linux. MPL v1.1[7]
Tracker Linux, Unix Open-source desktop search tool for Unix/Linux GPL v2 [8]
Tropes Zoom Windows Semantic Search Engine (no longer available)[9] Freeware and commercial
Unity Dash Linux Part of Ubuntu Desktop GPL v3,[10] LGPL v2.1[11]
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)[12]

Child-safe search engines

Metasearch engines

Main article: Metasearch engine
Name Language
Dogpile English
Excite English
Info.com English
Kayak.com Multilingual
Mamma.com
MetaCrawler English
MetaGer Multilingual
Mobissimo Multilingual
Otalo.com English
Publisher's clearinghouse Search and Win
Searx Multilingual
Skyscanner Multilingual
Yippy (formerly Clusty) English

Natural language

See also: Natural language search engine and Semantic search
  • Ask.com
  • Bing (Semantic ability is powered by Powerset)
  • Lexxe

Open-source search engines

Web search engine

Enterprise search

See also: Enterprise search and List of enterprise search vendors
  • Apache Solr
  • Elasticsearch[13]

P2P search engines

Name Language
FAROO English
Seeks (open-source) English
YaCy (free and fully decentralized) Multilingual

Privacy search engines

See also: Search engine privacy

Social and environmental focus

  • Ecosia

Semantic browsing engines

See also: Semantic search
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

See also: Social search, Relevance feedback, and Human search engine

Usenet

  • Google Groups (formerly Deja News)

Visual search engines

Main article: Visual search engine

By popularity

Main article: List of search engines by popularity

Defunct or acquired search engines

  • AlltheWeb (acquired by Yahoo!)
  • AltaVista (acquired by Yahoo! in 2003, shut down in 2013)
  • Bixee.com (India) (acquired by Ibibo)
  • Blekko (acquired by IBM in 2015 for its use for Watson-based products)[14]
  • BlogScope (acquired by Marketwire)
  • (acquired by Answers, Inc.)
  • BRS/Search (now OpenText Livelink ECM Discovery Server)
  • Btjunkie
  • Cuil (patents acquired by Google after shutdown)
  • DeepPeep
  • Direct Hit Technologies (acquired by Ask Jeeves in January, 2000)
  • (Archived 4 November 1996 at the Wayback Machine, a web and telnet search engine and FTP site specialized to searching for and within United States federal government documents, established in 1992 by the National Technical Information Service (NTIS) and shut down in 2013)
  • Getit Infoservices Private Limited
  • Google Answers
  • GoPubMed
  • hakia
  • IBM STAIRS
  • Infoseek (acquired by Disney)
  • Inktomi
  • Ixquick (merged into Startpage)
  • Kartoo
  • LeapFish
  • Lotus Magellan
  • MetaLib
  • mozDex
  • Munax
  • Myriad Search
  • Overture.com (formerly GoTo.com, now Yahoo! Search Marketing)
  • PubSub
  • RetrievalWare (acquired by Fast Search & Transfer and now owned by Microsoft)
  • Scroogle (Google Scraper)
  • Singingfish (acquired by AOL)
  • Soso
  • Speechbot
  • Sphere (acquired by AOL)
  • Tafiti (replaced by Microsoft Bing)
  • Volunia[15]
  • Wikia Search (defunct)
  • WiseNut
  • World Wide Web Worm

See also

References

  1. ^ Sullivan, Danny (April 18, 2007). "Goodbye Froogle, Hello Google Product Search!". Search Engine Land. Retrieved 3 June 2018.
  2. ^ "HP Universal Search". Retrieved 2014-07-01.
  3. ^ "Download Locate32 3.1.11.7100". softpedia.
  4. ^ "Lookeen 10". Lookeen. Retrieved 2016-02-03.
  5. ^ According to Recoll
  6. ^ According to COPYING inside version 0.5.10 tar.bz2 package.
  7. ^ "Terrier License". GitHub.
  8. ^ According to COPYING Archived 2012-07-14 at archive.today in SVN trunk.
  9. ^ Retrieved 15 August 2015.
  10. ^ "Unity on GitHub". GitHub.
  11. ^ "Required License Files". GitHub.
  12. ^ "X1 Search 8". X1 Technologies. Retrieved 12 July 2014.
  13. ^ Darrow, Barb (October 13, 2017). "Alibaba Is Adding This Key Technology to Its Growing Cloud". Fortune. Retrieved August 21, 2018.
  14. ^ "Data, Data, Everywhere Data. Now a Better Way to Understand It". 27 March 2015.
  15. ^ https://news.mrw.it/dominio-volunia-it-vendita_15916.html

External links

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