View source for List of search engines

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{{For-multi|a topical guide to this subject|Outline of search engines|comparison tables|Comparison of search engines}}
'''Search engines''', including [[web search engine]]s, [[selection-based search]] engines, [[metasearch engine]]s, [[desktop search]] tools, and [[web portal]]s and [[vertical market]] websites have a search facility for [[online database]]s.
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== By content/topic ==

=== General ===
{| class="wikitable sortable"
|-
! Name !! Language
!Backend ownership
|-
|[[Ask.com]]|| Multilingual
|Google {{flagicon|USA}}
|-
|[[Baidu]]|| [[Chinese language|Chinese]]
|Baidu {{flagicon|PRC}}
|-
|[[Brave Search]] || Multilingual
|Brave {{flagicon|USA}}
|-
|[[Dogpile]]|| English
|[[Metasearch engine]]
|-
|[[DuckDuckGo]]|| Multilingual
|Multiple
|-
|[[Ecosia]]|| Multilingual
|Google and Microsoft Bing {{flagicon|USA}}
|-
|[[Elasticsearch]]|| Multilingual||{{background|palegreen|[[Apache 2.0]]}} until 2021, then Elasticsearch
|-
|[[Exalead]]|| Multilingual
|Cloudview {{flagicon|France}}
|-
|[[Excite (web portal)|Excite]]†|| Multilingual
|Microsoft Bing {{flagicon|USA}}
|-
|[[Gigablast]]|| [[English language|English]]
|{{open source|[[Apache License 2.0]]}}
|-
|[[Google Search|Google]]|| Multilingual
|Google {{flagicon|USA}}
|-
|[[HotBot]]|| English
|Microsoft Bing {{flagicon|USA}}
|-
|[[Kagi (search engine)|Kagi]]||English
|[[Metasearch engine]] and Kagi Inc {{flagicon|USA}}
|-
|[[Lycos]]|| Multilingual
|Microsoft Bing {{flagicon|USA}}
|-
|[[MetaCrawler]]|| English
|[[Metasearch engine]]
|-
|[[Microsoft Bing]]|| Multilingual
|Microsoft Bing {{flagicon|USA}}
|-
|[[Mojeek]]|| Multilingual
|Mojeek {{flagicon|UK}}
|-
|[[OpenSearch (software)|Opensearch]]|| Multilingual || {{open source|[[Apache License 2.0]] (Elasticsearch fork)}}
|-
|[[Petal Search|Petal]]|| Multilingual
|Huawei {{flagicon|PRC}}
|-
|[[Qwant]]|| Multilingual
|Microsoft Bing {{flagicon|USA}}
|-
|[[SearXNG]]|| Multilingual
|[[Metasearch engine]]
|-
|[[Sogou]]|| Multilingual
|Tencent {{flagicon|PRC}}
|-
|[[Startpage.com|Startpage]]|| English
|Google {{flagicon|USA}}
|-
|[[Swisscows]]|| Multilingual
|Microsoft Bing {{flagicon|USA}}
|-
|[[WebCrawler]]|| English
|Microsoft Bing {{flagicon|USA}}
|-
|[[YaCy]]|| Multilingual || {{open source|[[GPL-2.0-or-later]]}}
|-
|[[Yahoo! Search]]†|| Multilingual
|Microsoft Bing {{flagicon|USA}}
|-
|[[Yandex Search|Yandex]]|| Multilingual
|Yandex {{flagicon|Russian Federation}}
|-
|[[Youdao]]†|| [[Chinese language|Chinese]]
|NetEase {{flagicon|PRC}}
|-
|[[You.com]] || English
|Microsoft Bing {{flagicon|USA}}
|}

<nowiki>†</nowiki> Main website is a portal

===Geographically localized===
{| class="wikitable sortable"
|-
! Name !! Language !! Country
|-
| [[Accoona]] || [[Chinese language|Chinese]], [[English language|English]] || [[China]], [[United States]]
|-
| [[BIGLOBE]] || [[Japanese language|Japanese]] || [[Japan]]
|-
| [[Daum (web portal)|Daum]]|| [[Korean language|Korean]]
|| [[Korea]]
|-
| [[Nate (web portal)|Nate]] || [[Korean language|Korean]]
|| [[Korea]]
|-
| [[Egerin]] || [[Kurdish language|Kurdish]]|| [[Sweden]]<ref name=":0">{{cite web |title=Kurdish Swede creates first Kurdish search engine |url=http://www.basnews.com/en/News/Details/Kurdish-Swede-creates-first-Kurdish-search-engine/9007 |url-status=dead |archive-url=https://web.archive.org/web/20140102193541/http://www.basnews.com/en/News/Details/Kurdish-Swede-creates-first-Kurdish-search-engine/9007 |archive-date=2014-01-02 |accessdate=1 January 2014 |publisher=Bas News}}</ref><ref>{{cite web |date=30 December 2013 |title=First Kurdish Search Engine, Egerin, Is Launched |url=http://www.sbwire.com/press-releases/egerin/sbwire-421932.htm |accessdate=1 January 2014 |publisher=SBWire}}</ref><ref>{{cite web |date=18 March 2016 |title=This Entrepreneur Wants to Build a Kurdish Alternative to Google |url=https://www.vice.com/en/article/meet-the-kurdish-entrepreneur-making-a-google-for-the-kurds/ |website=Vice.com |language=en}}</ref>
|-
| [[Fireball (search engine)|Fireball]] || [[German language|German]], [[English language|English]] || [[Germany]]
|-
| [[Goo (search engine)|Goo]] || [[Japanese language|Japanese]] || [[Japan]]
|-
| [[Leit.is]] ||[[Icelandic language|Icelandic]], [[English language|English]] || [[Iceland]]
|-
| [[Najdi.si]] || [[Slovenian language|Slovenian]]|| [[Slovenia]]
|-
| [[Naver]] || [[Korean language|Korean]] || [[Korea]]
|-
| [[Parsijoo]] || [[Persian language|Persian]] || [[Iran]]
|-
| [[Pipilika]] (defunct) || [[Bengali language|Bengali]], [[English language|English]] || [[Bangladesh]]
|-
| [[Rambler (portal)|Rambler]] || [[Russian language|Russian]] || [[Russia]]
|-
| [[Rediff]] || || [[India]]
|-
| [[SAPO (company)|SAPO]] || [[Portuguese language|Portuguese]] || [[Portugal]]
|-
| [[Search.ch]] || || [[Switzerland]]
|-
| [[Sesam (search engine)|Sesam]] (defunct) || || [[Norway]], [[Sweden]]
|-
| [[Seznam]] || [[Czech language|Czech]] || [[Czech Republic]]
|-
| [[Walla!]] || || [[Israel]]
|-
| [[Yahoo Japan]] || [[Japanese language|Japanese]] || [[Japan]] (Google backend)
|-
| [[Yongzin]] || [[Standard Tibetan|Tibetan]] || [[China]]
|-
| [[ZipLocal]] || [[English language|English]] || [[Canada]], [[United States]]
|}

=== Accountancy ===
* [[IFACnet]]

=== Business ===
* [[Business.com]]
* [[Daily Stocks]]
* [[GenieKnows]] (United States and [[Canada]])
* [[GlobalSpec]]
* [[LexisNexis|Nexis (Lexis Nexis)]]
* [[Thomasnet]] ([[United States]])

=== Computers ===
* [[Shodan (website)]]

=== Content ===

* [[Openverse]], search engine for open content.

=== Dark web ===
{{main|Dark web}}
* [[Ahmia]]

=== Education ===
General:
* [[Chegg]]

Academic materials only:
* [[BASE (search engine)]]
* [[Google Scholar]]
* [[Internet Archive Scholar]]
* [[Library of Congress]]
* [[Semantic Scholar]]

=== Enterprise ===
{{See also|Enterprise search}}
*[[Apache Solr]]
* [[Jumper 2.0]]: Universal search powered by [[Enterprise bookmarking]]
* [[Oracle Corporation]]: Secure Enterprise Search 10g
* [[Q-Sensei]]: Q-Sensei Enterprise
* [[Swiftype]]: Swiftype Search
* [[TeraText]]: TeraText Suite

=== Events ===
* [[Tickex]] (US, UK)
* [[TickX]] (UK, Ireland, Spain, Netherlands)

===Food and recipes===
* [[RecipeBridge]]: [[vertical search]] engine for [[recipe]]s
* [[Yummly]]: semantic recipe search

=== Genealogy ===
* [[Mocavo.com]]: family history search engine

=== Job ===
{{Main|Job search engine}}
* [[Adzuna]] (UK)
* [[CareerBuilder]] (US)
* [[Craigslist]] (by city)
* [[Dice.com]] (US)
* [[Glassdoor]] (US)
* [[Indeed]] (US)
* [[JobStreet.com]] ([[Southeast Asia]], Japan, India)
* [[Monster.com]] (US), (India)
* [[Naukri.com]] (India)
* [[Rozee.pk]] (Pakistan)
* [[Yahoo! HotJobs]] (Countrywise subdomains, International)

=== Legal ===
* [[Google Patents]]
* [[Google Scholar]]
* [[LexisNexis|Lexis (Lexis Nexis)]]
* [[Quicklaw]]
* [[WestLaw]]

=== Medical ===
* [[Bing Health]]
* [[Bioinformatic Harvester]]
* [[CiteAb]] (antibody search engine for medical researchers)
* [[EB-eye]] EMBL-EBI's Search engine
* [[Entrez]] (includes [[PubMed]])
* [[GenieKnows]]
* [[Healia]]
* [[Healthline]]
* [[Nextbio]] (Life Science Search Engine)
* [[PubGene]]
* [[Searchmedica]]
* [[WebMD]]

=== Mobile/handheld ===
* [[Taganode Local Search Engine]] (now defunct)
* [[Taptu]]: taptu mobile/social search (now defunct)

=== News ===
* [[Bing News]]
* [[Google News]]
* [[Priyo]]
* [[Yahoo! News]]

=== People ===
* [[Whitepages (company)|Whitepages]]
* [[FindFace]]
* [[PeekYou]]
* [[Spokeo]]
* [[Zabasearch.com]]
* [[ZoomInfo]]

=== Real estate/property ===
* [[HotPads.com]]
* [[Realtor.com]]
* [[Redfin]]
* [[Rightmove]]
* [[StuRents.com]]
* [[Trulia]]
* [[Zillow]]
* [[Zoopla]]

=== Television ===
* [[TV Genius]]

=== Travel ===

* [[Bustripping]]

=== Video ===

* [[Sepia Search]]

=== Video games ===
* [[Wazap]]

== By data type ==

Search engines dedicated to a specific kind of information
===Datasets===
*[[Google Dataset Search]]

=== Maps ===
{{div col}}
* [[Baidu Maps]]
* [[Bing Maps]]
* [[Géoportail]]
* [[Google Maps]]
* [[MapQuest]]
* [[Nokia Maps]]
* [[OpenStreetMap]]
* [[Petal Maps]]
* [[Qwant#Qwant Maps|Qwant Maps]]
* [[Tencent Maps]]
* [[Wikiloc]]
* [[WikiMapia]]
* [[Yahoo! Maps]]
* [[Yandex Maps]]
{{div col end}}

=== Multimedia ===
{{See also|Multimedia search}}
{{Div col}}
* [[Bing Videos]]
* [[blinkx]]
* [[FindSounds]]
* [[Google Images]]
* [[Google Video]]
* [[Munax]]'s PlayAudioVideo
* [[Openverse]], search engine for open content.
* [[Picsearch]]
* [[Podscope]]
* [[SeeqPod]]
* [[Sepia Search]]
* [[Songza]]
* [[Tencent Video]]
* [[TinEye]]
* [[TV Genius]]
* [[Veveo]]
* [[Yahoo! Video]]
{{div col end}}

=== Price ===
{{Div col}}
* [[Bing Shopping]]
* [[Google Shopping]] (formerly Google Product Search and Froogle<ref>{{cite news |last1=Sullivan |first1=Danny |title=Goodbye Froogle, Hello Google Product Search! |url=https://searchengineland.com/goodbye-froogle-hello-google-product-search-11001 |access-date=3 June 2018 |agency=Search Engine Land |date=April 18, 2007}}</ref>)
* [[Kelkoo]]
* [[MySimon]]
* [[PriceGrabber]]
* [[PriceRunner]]
* [[Pronto.com]]
* [[Shopping.com]]
* [[Shopzilla]]
* [[TickX]]
{{div col end}}

=== Source code ===
* [[Google Code Search]]
* [[Koders]]
* [[Krugle]]

=== BitTorrent ===
These search engines work across the [[BitTorrent (protocol)|BitTorrent protocol]].
* [[BTDigg]]
* [[Isohunt]] - discontinued
* [[Mininova]] - discontinued
* [[The Pirate Bay]]
* [[TorrentSpy]] - discontinued
* [[Torrentz]] - discontinued

=== Blog ===
* [[Amatomu]]
* [[Bloglines]]
* [[IceRocket]]
* [[Mojeek]] (substack only)
* [[Munax]]
* [[Regator]]
* [[Technorati]]

== By model ==

=== Search appliances ===
{{main|Search appliance}}
* [[Fabasoft]]
* [[Google Search Appliance]] - discontinued
* [[Munax]]
* [[Searchdaimon]]
* [[Thunderstone Software LLC.|Thunderstone]]

=== Desktop search engines ===
[[Desktop search]] engines listed on a light purple background are no longer in active development.
{|class="wikitable sortable" style="text-align=left;"
! Name
! Platform
! Remarks
! License
|-
! [[HP Autonomy]]
| [[Microsoft Windows|Windows]]
| IDOL Enterprise Desktop Search, HP Autonomy Universal Search.<ref>{{cite web |url=http://www.autonomy.com/products/universal-search |title=HP Universal Search |access-date=2014-07-01 |archive-date=2015-05-16 |archive-url=https://web.archive.org/web/20150516141232/http://www.autonomy.com/products/universal-search |url-status=dead }}</ref>
| {{proprietary|Proprietary, commercial}}
|-
! {{rh2|align=center}} | [[Beagle (software)|Beagle]]
| [[Linux]]
| Open-source desktop search tool for Linux based on Lucene. Unmaintained since 2009.
| {{free|A mix of the [[X11/MIT License]] and the [[Apache License]]}}
|-
! [[Copernic Desktop Search]]
| [[Microsoft Windows|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.
<!-- Can we remove this? It is not a relevant "remark" and the cited study is no longer available. See [[Talk:Desktop search#The article does not educate the reader and needs to be rewritten]]

Considered best overall search engine in 2005 UW benchmark study.<ref>{{cite web | url = http://www.uwebi.org/reports/desktop_search.pdf | title = Benchmark Study of Desktop Search Tools | access-date = 2008-03-10}}</ref>
-->
|{{proprietary|Proprietary (30 day trial)}}
|-
! [[DocFetcher]]
| Cross-platform
| Open-source desktop search tool for Windows and Linux, based on [[Apache Lucene]]
| {{free|[[Eclipse Public License]]}}
|-
! [[DtSearch|dtSearch Desktop]]
| [[Microsoft Windows|Windows]]
|
| {{proprietary|Proprietary (30 day trial)}}
|-
! [[Everything (software)|Everything]]
| [[Microsoft Windows|Windows]]
| Find files and folders by name instantly on NTFS volumes
| {{nonfree|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
|-
! {{rh2|align=center}} | [[GNOME Storage]]
| [[Linux]]
| Open-source desktop search tool for Unix/Linux
| {{free|GPL}}
|-
! {{rh2|align=center}} | [[Google Desktop]]
| [[Linux]], [[Mac OS X]], [[Microsoft Windows|Windows]]
| Integrates with the main Google search engine page. As of September 14, 2011, Google has discontinued this product.
| {{nonfree|Freeware}}
|-
! [[ISYS Search Software]]
| [[Microsoft Windows|Windows]]
| [[ISYS:Desktop]] search software.
| {{proprietary|Proprietary (14-day trial)}}
|-
![[KRunner]]
|[[Linux]]
|
|
|-
! {{rh2|align=center}} | [[Locate32]]
| [[Microsoft Windows|Windows]]
| Graphical port of [[Unix]]'s locate & updatedb
| {{free|[[BSD License]]<ref>{{Cite web|url=https://www.softpedia.com/get/Internet/Servers/Database-Utils/Locate32.shtml|title=Download Locate32 3.1.11.7100|website=softpedia|date=20 August 2012}}</ref>}}
|-
! {{rh2|align=center}} | [[Lookeen]]
| [[Microsoft Windows|Windows]]
| Desktop search product with Outlook plugin and limited support for other formats via IFilters, uses Lucene search engine.
| {{proprietary|Proprietary (14-day trial)}}<ref>{{cite web |url=https://www.lookeen.com/ |title=Lookeen 10 |publisher=Lookeen |access-date=2016-02-03}}</ref>
|-
! [[NEPOMUK (software)|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
| {{free|GPL <ref>According to [https://www.lesbonscomptes.com/recoll/ Recoll]</ref>}}
|-
! [[Spotlight (software)|Spotlight]]
| [[macOS]]
| Found in [[Apple Inc.|Apple]] [[Mac OS X]] "[[Mac OS X v10.4|Tiger]]" and later OS X releases.
| {{proprietary|Proprietary}}
|-
! {{rh2|align=center}} | [[Strigi]]
| [[Linux]], [[Unix]], [[Solaris (operating system)|Solaris]], [[Mac OS X]] and [[Microsoft Windows|Windows]]
| Cross-platform open-source desktop search engine. Unmaintained since 2011-06-02{{#tag:ref|See {{cite web|url=https://sourceforge.net/projects/strigi/files/ |author= |date= |accessdate=2024-01-18|title=Strigi's Release Files}}}}.
| {{free|LGPL v2 <ref>According to [https://sourceforge.net/projects/strigi/files/strigi/0.5.10/strigi-0.5.10.tar.bz2/download COPYING] inside version 0.5.10 tar.bz2 package.</ref>}}
|-
! [[Terrier Search Engine]]
| [[Linux]], [[Mac OS X]], [[Unix]]
| Desktop search for Windows, Mac OS X (Tiger), Unix/Linux.
| {{free|[[Mozilla Public License|MPL v1.1]]}}<ref>{{cite web |title=Terrier License |url=https://github.com/terrier-org/terrier-core/blob/4.2/LICENSE.txt |website=GitHub|date=13 November 2021 }}</ref>
|-
! [[Tracker (search software)|Tracker]]
| [[Linux]], [[Unix]]
| Open-source desktop search tool for Unix/Linux
| {{free|GPL v2 <ref>According to [http://svn.gnome.org/viewvc/tracker/trunk/COPYING?view=markup COPYING] {{webarchive|url=https://archive.today/20120714094437/http://svn.gnome.org/viewvc/tracker/trunk/COPYING?view=markup |date=2012-07-14}} in SVN trunk.</ref>}}
|-
! {{rh2|align=center}} | [[Tropes Zoom]]
| [[Microsoft Windows|Windows]]
| Semantic Search Engine (no longer available)<ref>{{Cite web |url=http://www.semantic-knowledge.com/download.htm |title=Retrieved 15 August 2015. |access-date=16 August 2015 |archive-date=6 August 2019 |archive-url=https://web.archive.org/web/20190806185027/http://www.semantic-knowledge.com/download.htm |url-status=dead }}</ref>
| {{nonfree|Freeware and commercial}}
|-
! [[Unity Dash]]
| [[Linux]]
| Part of [[Ubuntu Desktop]]
| {{free|GPL v3}},<ref>{{cite web |title=Unity on GitHub |url=https://github.com/ubports/unity8/blob/xenial/COPYING |website=GitHub|date=19 November 2021 }}</ref> LGPL v2.1<ref>{{cite web |title=Required License Files |url=https://github.com/ubports/unity8/blob/xenial/COPYING.LGPL |website=GitHub|date=19 November 2021 }}</ref>
|-
! [[Windows Search]]
| [[Microsoft Windows|Windows]]
| Part of [[Windows Vista]] and later OSs. Available as [[Windows Desktop Search]] for [[Windows XP]] and [[Windows Server 2003|Server 2003]]. Does not support indexing UNC paths on x64 systems.
| {{proprietary|Proprietary}}
|-
! [[X1 Technologies|X1 Desktop Search]]
| [[Microsoft Windows|Windows]]
| Major desktop search product along with [[Copernic Desktop Search]]
| {{proprietary|Proprietary (14-day trial)}}<ref>{{cite web | url=https://www.x1.com/products/x1-search/ | title=X1 Search 8 | publisher=X1 Technologies | access-date=12 July 2014}}</ref>
|-
!Wumpus
|Cross platform
|Desktop search focused on information retrieval research
|GPL
|}

<!--Add
* Alfred
* Albert
* Cerebro
* Gnome search
* Launchy
* Powertoys Run
* Rofi
* Synapse
* Ulauncher
-->

=== Child-safe search engines ===
* [[Kiddle (search engine)|Kiddle]]
* [[KidRex]]
* [[KidzSearch]]
* [[Qwant|QwantJunior]]
* [[Swisscows]]

=== Metasearch engines ===
{{main|Metasearch engine}}
{| class="wikitable sortable"
|-
! Name !! Language
|-
|[[Dogpile]] || [[English language|English]]
|-
|[[Excite (web portal)|Excite]] || [[English language|English]]
|-
|[[Info.com]] || [[English language|English]]
|-
|[[Kayak.com]] || Multilingual
|-
|[[Mamma.com]] ||
|-
|[[MetaCrawler]] || [[English language|English]]
|-
|[[MetaGer]] || Multilingual
|-
|[[Mobissimo]] || Multilingual
|-
|[[Otalo.com]] || [[English language|English]]
|-
|[[Publisher's clearinghouse#Online development|Publisher's clearinghouse Search and Win]] ||
|-
|[[Searx]] || Multilingual
|-
|[[SearXNG]]
|Multilingual
|-
|[[Skyscanner]] || Multilingual
|-
|[[Wego.com]] || Multilingual
|-
|[https://all-io.net/ All In One] || English
|}

=== Natural language ===
{{See also|Natural language search engine|Semantic search}}
* [[Ask.com]]
* [[Bing (search engine)|Bing]] (Semantic ability is powered by Powerset)
* [[Lexxe]]
* [[Perplexity.ai]]
* [[SearchGPT]]

=== Open-source search engines ===
{{div col}}
* [[Ht-//Dig|ht://Dig]]
* [[Isearch]]
* [[Lemur Toolkit & Indri Search Engine]]
* [[Lucene]]
* [[mnoGoSearch]]
* [[Nutch]]
* [[Openverse]]
* [[Recoll]]
* [[Searchdaimon]]
* [[SearXNG]]
* [[Seeks]]
* [[Sphinx (search engine)|Sphinx]]
* [[SWISH-E]]
* [[Terrier Search Engine]]
* [[Xapian]]
* [[YaCy]]
* [[Zettair]]
{{div col end}}

==== Web search engine ====
* [[Gigablast]]
* [[Grub (search engine)|Grub]]

==== Enterprise search ====
{{See|Enterprise search}}


=== P2P search engines ===
{| class="wikitable sortable"
|-
!Name !! Language
|-
|[[Seeks]] (open-source) ||[[English language|English]]
|-
|[[YaCy]] (free and fully decentralized) ||Multilingual
|}

=== Privacy search engines ===
{{See also|Search engine privacy}}
{{div col}}
* [[Brave Search]]
* [[DuckDuckGo]]
* [[HotBot]]
* [[Kagi (search engine)|Kagi]]
* [[MetaGer]]
* [[Mojeek]]
* [[Qwant]]
* [[SearXNG]]
* [[Startpage.com]]
* [[Swisscows]]
* [[You.com]]
{{div col end}}

=== Social and environmental focus ===
* [[Ecosia]]

=== Semantic browsing engines ===
{{See also|Semantic search}}
{| class="wikitable sortable"
|-
! Name !! Description !! Speciality
|-
| [[Evi (software)|Evi]] || Specialises in knowledge base and semantic search || answer engine
|-
|[[Swoogle]]|| Searching over 10,000 ontologies || Semantic web documents
|-
|[[Yebol]]|| colspan="2" |defunct
|-
| [[Yummly]] || Semantic web search for food, cooking, and recipes || food related
|}

=== Social search engines ===
{{See also|Social search|Relevance feedback|Human search engine}}
* [[ChaCha Search]]
* [[Delver (Social Search)|Delver]]
* [[Eurekster]]
* [[Facebook]] Search
* [[Mahalo.com]]
* [[Rollyo]]
* [[Sproose]]
* [[Trexy]]

=== Usenet ===
* [[Google Groups]] (formerly [[Deja News]])

=== Visual search engines ===
{{main|Visual search engine}}
* [[FindFace]]
* [[Grokker]]
* [[Macroglossa Visual Search|Macroglossa]]
* [[TinEye]]
* [[Viewzi]]

== By popularity ==
{{Main|List of search engines by popularity}}

== Defunct or acquired search engines ==<!-- Cliqz bought by brave -->
{| class="wikitable sortable"
|-
! Name !! Backend ownership !! Demise
|-
|[[iWon]]||[[Ask.com]]||Shut down after [[AT&T]] merger{{citation needed|date=September 2022}}
|-
|[[Teoma]]||[[Ask.com]]||Merged to Ask.com which still uses its algorithms
|-
|[[A9.com]]||[[Microsoft Bing]]||Redirect to Amazon homepage (parent company)
|-
|[[AOL]]||[[Google]] until 2015, then [[Microsoft Bing]]|| Merged to Yahoo!
|-
|[[Alexa Internet]]||[[Microsoft Bing]]||Bought by Amazon in 1999, shut down in 2021
|-
|[[Ciao (website)|Ciao!]]||[[Microsoft Bing]]||Shut down in 2018
|-
|[[Ms. Dewey]]||[[Microsoft Bing]]||January 2009
|-
|[[Groovle]]||[[Google]]||Taken over by Google after Google sued for name similarity
|-
|[[MySpace]] Search||[[Google]]||Function taken over by Google in 2006
|-
|[[Mystery Seeker]]||[[Google]]||Novelty "search"; went offline in 2017
|-
|[[Netscape]]||[[Google]]||Now redirects to AOL
|-
|[[Ripple (charitable organisation)|Ripple]]||[[Google]]||as of 2017 at the latest
|-
|[[Ecocho]]||[[Google]], then [[Yahoo!]]||
|-
|[[Forestle]]||[[Google]], then [[Yahoo!]]||Redirected to [[Ecosia]] in 2011
|-
|[[Yippy]]
|[[IBM Watson]] 
|Redirected to [[DuckDuckGo]] in 2021
|-
|[[Grams (search)|Grams]]
|[[Grams (search)|Grams]] (anonymous owner)
|Closed in 2017
|}

* [[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 (computer)|Watson]]-based products)<ref>{{cite web |url=http://asmarterplanet.com/blog/2015/03/better-way-tap-big-data-gusher.html |title=Data, Data, Everywhere Data. Now a Better Way to Understand It |date=27 March 2015 }}</ref>
* [[BlogScope]] (acquired by [[Marketwire]])
* [[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)
* [[Getit Infoservices Private Limited]]
* [[Google Answers]]
* [[GoPubMed]]
* [[hakia]]
* [[IBM STAIRS]]
* [[Infoseek]] (acquired by [[The Walt Disney Company|Disney]])
* [[Inktomi]]
* [[Ixquick]] (merged into [[Startpage]])
* [[Jubii]]
* [[Kartoo]]
* [[LeapFish]]
* [[Lotus Magellan]]
* [[MetaLib]]
* [[mozDex]]
* [[Munax]]
* [[Myriad Search]]
* [[Overture.com]] (formerly GoTo.com, now [[Yahoo! Search Marketing]]) 
* [[PubSub Concepts|PubSub]]
* [[RetrievalWare]] (acquired by [[Fast Search & Transfer]] and now owned by [[Microsoft]])
* [[Scroogle]] (Google Scraper)
* [[Singingfish]] (acquired by [[AOL]])
* [[Soso (search engine)|Soso]]
* [[Speechbot]]
* [[Sphere (Website)|Sphere]] (acquired by [[AOL]])
* [[Startpage]] (acquired by System1, an advertising company)
* [[Tafiti]] (replaced by [[Microsoft Bing]])
* [[Volunia]]<ref>{{Cite web|url=https://news.mrw.it/dominio-volunia-it-vendita_15916.html|title=Il dominio Volunia.it è in vendita|website=MRW.it News|date=11 April 2014 }}</ref>
* [[Wikia Search]] (defunct)
* [[WiseNut]]
* [[World Wide Web Worm]]

== See also ==
* [[List of academic databases and search engines]]
* [[List of web directories]]
* [[Search aggregator]]
* [[Search engine optimization]]
* [[:Category:Search engine software]]

== References ==
{{Reflist|30em}}

== External links ==
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{{Web search engines}}

[[Category:Desktop search engines| ]]
[[Category:Enterprise search| ]]
[[Category:Internet search engines| ]]
[[Category:Lists of websites|Search engines]]