List of search engines

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

Name	Language	Backend ownership
Ask.com	Multilingual	Google
Baidu	Chinese	Baidu
Brave Search	Multilingual	Brave
Dogpile	English	Metasearch engine
DuckDuckGo	Multilingual	Multiple
Ecosia	Multilingual	Google and Microsoft Bing
Elasticsearch	Multilingual	Elasticsearch
Exalead	Multilingual	Cloudview
Excite†	Multilingual	Microsoft Bing
Gigablast	English	Apache License 2.0
Google	Multilingual	Google
HotBot	English	Microsoft Bing
Kagi	English	Metasearch engine and Kagi
Lycos	Multilingual	Microsoft Bing
MetaCrawler	English	Metasearch engine
Microsoft Bing	Multilingual	Microsoft Bing
Mojeek	Multilingual	Mojeek
Opensearch	Multilingual	Apache License 2.0 (Elasticsearch fork)
Petal	Multilingual	Huawei
Presearch	Multilingual	Presearch
Qwant	Multilingual	Microsoft Bing
SearXNG	Multilingual	Metasearch engine
Sogou	Multilingual	Tencent
Startpage	English	Google
Swisscows	Multilingual	Microsoft Bing
WebCrawler	English	Microsoft Bing
YaCy	Multilingual	GNU GPL-2.0-or-later
Yahoo! Search†	Multilingual	Microsoft Bing
Yandex	Multilingual	Yandex
Youdao†	Chinese	NetEase
You.com	English	Microsoft Bing

† Main website is a portal
Open source

Geographically localized

Name	Language	Country
Accoona	Chinese, English	China, United States
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	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
ZipLocal	English	Canada, United States

Accountancy

IFACnet

Business

Business.com
Daily Stocks
GenieKnows (United States and Canada)
GlobalSpec
Nexis (Lexis Nexis)
Thomasnet (United States)

Computers

Shodan (website)

Content

Openverse, search engine for open content.

Dark web

Ahmia

Education

General:

Chegg

Academic materials only:

BASE (search engine)
Google Scholar
Internet Archive Scholar
Library of Congress
Semantic Scholar

Enterprise

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 recipes
Yummly: semantic recipe search

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)
Rozee.pk (Pakistan)
Yahoo! HotJobs (Countrywise 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
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

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

Baidu Maps
Bing Maps
Géoportail
Google Maps
MapQuest
Nokia Maps
OpenStreetMap
Petal Maps
Qwant Maps (defunct)
Tencent Maps
Wikiloc
WikiMapia
Yahoo! Maps
Yandex Maps

Multimedia

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

Price

Bing Shopping
Google Shopping (formerly Google Product Search and Froogle)
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
Mojeek (substack only)
Munax
Regator
Technorati

By model

Search appliances

Fabasoft
Google Search Appliance - discontinued
Munax
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.	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
Lookeen	Windows	Desktop search product with Outlook plugin and limited support for other formats via IFilters, uses Lucene search engine.	Proprietary (14-day trial)
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
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.	LGPL v2
Terrier Search Engine	Linux, Mac OS X, Unix	Desktop search for Windows, Mac OS X (Tiger), Unix/Linux.	MPL v1.1
Tracker	Linux, Unix	Open-source desktop search tool for Unix/Linux	GPL v2
Tropes Zoom	Windows	Semantic Search Engine (no longer available)	Freeware and commercial
Unity Dash	Linux	Was part of the Ubuntu Desktop	GPL 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 x64 systems.	Proprietary
X1 Desktop Search	Windows	Major desktop search product along with Copernic Desktop Search	Proprietary (14-day trial)
Wumpus	Cross platform	Desktop search focused on information retrieval research	GPL

Child-safe search engines

Kiddle
KidRex
KidzSearch
QwantJunior
Swisscows

Metasearch engines

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
SearXNG	Multilingual
Skyscanner	Multilingual
Wego.com	Multilingual
All In One	English

Natural language

Ask.com
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	Language
Seeks (open-source)	English
YaCy (free and fully decentralized)	Multilingual

Privacy search engines

Brave Search
DuckDuckGo
HotBot
Kagi
MetaGer
Mojeek
Presearch
Qwant
SearXNG
Startpage.com
Swisscows
You.com

Social and environmental focus

Ecosia

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

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	Demise
iWon	Ask.com	Shut down after AT&T merger^{[citation needed]}
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!	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	Google	as of 2017 at the latest
Ecocho	Google, then Yahoo!
Forestle	Google, then Yahoo!	Redirected to Ecosia in 2011
Yippy	IBM Watson	Re-branded in 2023 as Togoda.com
Grams	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-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 (defunct)
WiseNut
World Wide Web Worm