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 web search Name Language Data Source Baidu Chinese Baidu Brave Search Multilingual Brave Dogpile English Metasearch engine DuckDuckGo Multilingual Multiple Ecosia Multilingual Google and Microsoft Bing Excite† Multilingual Microsoft Bing Google Multilingual Google Kagi English Metasearch engine and Kagi Lycos Multilingual Microsoft Bing MetaCrawler English Metasearch engine Microsoft Bing Multilingual Microsoft Bing Mojeek Multilingual Mojeek Petal Multilingual Huawei Qwant Multilingual Microsoft Bing Sogou Multilingual Tencent Startpage English Google Swisscows Multilingual Microsoft Bing WebCrawler English Microsoft Bing Yahoo! Search† Multilingual Microsoft Bing Yandex Multilingual Yandex Yep English Yep You.com English Microsoft Bing
Open Source Name Language License Elasticsearch Multilingual Opensearch Multilingual SearXNG Multilingual YaCy Multilingual
Geographically localized Name Language Country BIGLOBE Japanese Japan Daum Korean Korea Nate Korean Korea Egerin Kurdish Sweden Fireball German, English Germany Goo Japanese Japan Leit.is Icelandic, English Iceland Najdi.si Slovenian Slovenia Naver Korean Korea Parsijoo (defunct) Persian Iran Pipilika (defunct) Bengali, English Bangladesh Rambler Russian Russia Rediff India SAPO Portuguese Portugal Search.ch Switzerland Sesam (defunct) Norway, Sweden Seznam Czech Czech Republic Walla! Israel Yahoo Japan Japanese Japan (Google backend) Yongzin Tibetan China
Business Business.com Daily Stocks GlobalSpec Thomasnet (United States) Justdial (India)
Computers Shodan (website)
Content
Openverse, search engine for open content.
Dark web
Ahmia
Education
BASE (search engine) Google Scholar Internet Archive Scholar Library of Congress Semantic Scholar
Enterprise
Apache Solr Oracle 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 recipes (now defunct) Yummly: semantic recipe search (now defunct)
Genealogy Mocavo.com: family history search engine
Job
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) Yahoo! HotJobs (Country-wise subdomains, International)
Legal
Google Patents Google Scholar 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 Dailyhunt (India) Priyo Yahoo! News
People
Whitepages FindFace PeekYou Spokeo Zabasearch.com ZoomInfo
Real estate/property
HotPads.com Realtor.com Redfin Rightmove StuRents.com Trulia Zillow Zoopla
Television TV Genius
Video
Sepia Search
Video games Wazap
By data type
Search engines dedicated to a specific kind of information Datasets Google Dataset Search
Maps
Baidu Maps Bing Maps Géoportail Google Maps MapQuest Nokia Maps OpenStreetMap Petal Maps Qwant Maps (defunct) Tencent Maps Wikiloc WikiMapia Yahoo! Maps Yandex Maps MapmyIndia
Multimedia
Bing Videos blinkx FindSounds Google Images Google Video Munax's PlayAudioVideo Openverse, search engine for open content. Podscope SeeqPod Sepia Search Songza Tencent Video TinEye Veveo Yahoo! Video
Price
Bing Shopping Google Shopping (formerly Google Product Search and Froogle) Idealo Kelkoo MySimon PriceGrabber PriceRunner Pronto.com Shopping.com Shopzilla TickX
Source code Google Code Search Koders Krugle
BitTorrent These search engines work across the BitTorrent protocol. BTDigg Isohunt - discontinued Mininova - discontinued The Pirate Bay TorrentSpy - discontinued Torrentz - discontinued
Blog Amatomu Bloglines IceRocket Marginalia Mojeek (substack only) Munax Regator Technorati
By model
Search appliances
Fabasoft Searchdaimon Thunderstone
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. Copernic Desktop Search WindowsMajor 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. DocFetcher Cross-platform Open-source desktop search tool for Windows and Linux, based on Apache Lucene dtSearch Desktop Windows Everything Windows Find files and folders by name instantly on NTFS volumes FoundmacOSSearches 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 Google Desktop Linux, macOS, Windows Integrates with main Google search engine page; discontinued by Google September 14, 2011 ISYS Search Software Windows ISYS:Desktop search software KRunnerLinux Locate32 Windows Graphical port of Unix's locate & updatedb Lookeen Windows Desktop search product with Outlook plugin and limited support for other formats via IFilters, uses Lucene search engine. Nepomuk Linux Open-source semantic desktop search tool for Linux. Has been replaced by Baloo in KDE Applications from release 4.13 onward. Mix of SA 3.0 and GNU Free Documentation v1.2 Recoll Linux, Unix, Windows, macOS Open-source desktop search tool for Unix/Linux Spotlight macOS Found in Apple macOS "Tiger" and later OS X releases. Strigi Linux, Unix, Solaris, macOS, Windows Cross-platform open-source desktop search engine. Unmaintained since 2011-06-02. Terrier Search Engine Linux, macOS, Unix Desktop search for Windows, Mac OS X Tiger, Unix/Linux. Tracker Linux, Unix Open-source desktop search tool for Unix/Linux Tropes Zoom Windows Semantic Search Engine (no longer available) Unity Dash Linux Was part of Ubuntu DesktopGPL v3, LGPL v2.1 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 x86-64 systems. X1 Desktop Search Windows Major desktop search product along with Copernic Desktop Search WumpusCross platformDesktop search focused on information retrieval researchGPL
Child-safe search engines Kiddle KidRex QwantJunior Swisscows
Metasearch engines
Name LanguageDogpile EnglishExcite EnglishInfo.com EnglishKayak.com MultilingualMetaCrawler EnglishMetaGer MultilingualMobissimo MultilingualOtalo.com EnglishPCH Search and Win SearXNGMultilingualSkyscanner MultilingualWego.com Multilingual
Natural language
Bing (Semantic ability is powered by Powerset) Lexxe Perplexity.ai SearchGPT
Open-source search engines
ht://Dig Isearch Lemur Toolkit & Indri Search Engine Lucene mnoGoSearch Nutch Openverse Recoll Searchdaimon SearXNG Seeks Sphinx SWISH-E Terrier Search Engine Xapian YaCy Zettair
Web search engine Gigablast Grub
Enterprise search
P2P search engines Name LanguageSeeks (open-source) EnglishYaCy (free and fully decentralized) Multilingual
Privacy search engines
Brave Search DuckDuckGo HotBot Kagi MetaGer Mojeek Presearch Qwant SearXNG Startpage.com Swisscows You.com Epic (web browser)
Social and environmental focus Ecosia
Semantic browsing engines
Name Description Speciality Evi Specialises in knowledge base and semantic search answer engine Yummly Semantic web search for food, cooking, and recipes food related
Social search engines
ChaCha Search Delver Eurekster Facebook Search Mahalo.com Rollyo Sproose Trexy
Usenet Google Groups (formerly Deja News)
Visual search engines
FindFace Grokker Macroglossa TinEye Viewzi
By popularity
Defunct or acquired search engines Name Backend ownership DemiseiWonAsk.comShut down after AT&T mergerTeomaAsk.comMerged to Ask.com which still uses its algorithmsA9.comMicrosoft BingRedirect to Amazon homepage (parent company)AOLGoogle until 2015, then Microsoft Bing Merged to Yahoo!Alexa InternetMicrosoft BingBought by Amazon in 1999, shut down in 2021Ciao!Microsoft BingShut down in 2018Ms. DeweyMicrosoft BingJanuary 2009GroovleGoogleTaken over by Google after Google sued for name similarityMamma.comCopernicMySpace SearchGoogleFunction taken over by Google in 2006Mystery SeekerGoogleNovelty "search"; went offline in 2017NetscapeGoogleNow redirects to AOLRippleGoogleas of 2017 at the latestEcochoGoogle, then Yahoo!ForestleGoogle, then Yahoo!Redirected to Ecosia in 2011Searxopen-sourceSearXNG is defacto successorYippyIBM Watson Re-branded in 2023 as Togoda.comGramsGrams (anonymous owner)Closed in 2017GigablastEnglishWebsite went offline in 2023, as reported by Mojeek.
AlltheWeb (acquired by Yahoo!) AltaVista (acquired by Yahoo! in 2003, shut down in 2013) Ask.com (originally Ask Jeeves), shut down by IAC in 2026. Bixee.com (India) (acquired by Ibibo) Blekko (acquired by IBM in 2015 for its use for Watson-based products) 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 Disney) Inktomi Ixquick (merged into Startpage) Jubii Kartoo LeapFish Lotus Magellan MetaLib mozDex Munax Myriad Search Neeva (acquired by Snowflake) 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) Startpage (acquired by System1, an advertising company) Tafiti (replaced by Microsoft Bing) Volunia Wikia Search WiseNut World Wide Web Worm
See also
:Category:Search engine software
References
External links