List of search engines

For a topical guide to this subject, see Outline of search engines. For comparison tables, see Comparison of web 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.

## Contents

* 1 By content/topic
* 1.1 General
* 1.2 Geographically localized
* 1.3 Accountancy
* 1.4 Business
* 1.5 Computers
* 1.6 Content
* 1.7 Dark web
* 1.8 Education
* 1.9 Enterprise
* 1.10 Events
* 1.11 Food and recipes
* 1.12 Genealogy
* 1.13 Job
* 1.14 Legal
* 1.15 Medical
* 1.16 Mobile/handheld
* 1.17 News
* 1.18 People
* 1.19 Real estate/property
* 1.20 Television
* 1.21 Travel
* 1.22 Video
* 1.23 Video games
* 2 By data type
* 2.1 Maps
* 2.2 Multimedia
* 2.3 Price
* 2.4 Source code
* 2.5 BitTorrent
* 2.6 Blog
* 3 By model
* 3.1 Search appliances
* 3.2 Desktop search engines
* 3.3 Child-safe search engines
* 3.4 Metasearch engines
* 3.5 Natural language
* 3.6 Open-source search engines
* 3.6.1 Web search engine
* 3.6.2 Enterprise search
* 3.7 P2P search engines
* 3.8 Privacy search engines
* 3.9 Social and environmental focus
* 3.10 Semantic browsing engines
* 3.11 Social search engines
* 3.12 Usenet
* 3.13 Visual search engines
* 4 By popularity
* 5 Defunct or acquired search engines
* 6 See also
* 7 References
* 8 External links

## By content/topic[edit | edit source]

### General[edit | edit source]

Name | Language  | Backend ownership

|
|

Ask.com | Multilingual  | Google
Baidu | Chinese | Baidu
Brave Search | Multilingual  | Brave
Dogpile | English  | Metasearch engine
DuckDuckGo | Multilingual  | Microsoft Bing
Ecosia | Multilingual  | Microsoft Bing
Elasticsearch | Multilingual | Apache 2.0 until 2021, then 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 Inc
Lycos | Multilingual  | Microsoft Bing
MetaCrawler | English  | Metasearch engine
Microsoft Bing | Multilingual  | Microsoft Bing
Mojeek | Multilingual  | Mojeek
MyAllSearch | Multilingual  | Metasearch engine
Opensearch | Multilingual | Apache License 2.0 (Elasticsearch fork)
Petal | Multilingual  | Huawei
Qwant | Multilingual  | Microsoft Bing
Searx | Multilingual  | Metasearch engine
Sogou | Multilingual  | Tencent
Startpage | English  | Google
Swisscows | Multilingual  | Microsoft Bing
WebCrawler | English  | Microsoft Bing
YaCy | Multilingual | 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

### Geographically localized[edit | edit source]

Name | Language | Country

|
|

Accoona | Chinese, English | China, United States
Biglobe | Japanese | Japan
Daum | Korean | Korea
Nate | Korean | Korea
Egerin | Kurdish | Sweden[1][2][3]
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
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[edit | edit source]

* IFACnet

### Business[edit | edit source]

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

### Computers[edit | edit source]

* Shodan (website)

### Content[edit | edit source]

* Openverse, search engine for open content.

### Dark web[edit | edit source]

Main article: Dark web

* Ahmia
* DuckDuckGo
* TorSearch

### Education[edit | edit source]

General:

* Chegg

Academic materials only:

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

### Enterprise[edit | edit source]

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[edit | edit source]

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

### Food and recipes[edit | edit source]

* RecipeBridge: vertical search engine for recipes
* Yummly: semantic recipe search

### Genealogy[edit | edit source]

* Mocavo.com: family history search engine

### Job[edit | edit source]

Main article: 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[edit | edit source]

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

### Medical[edit | edit source]

* 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[edit | edit source]

* Taganode Local Search Engine (now defunct)
* Taptu: taptu mobile/social search (now defunct)

### News[edit | edit source]

* Bing News
* Google News
*   *   * Priyo
* Yahoo! News

### People[edit | edit source]

* FindFace
* PeekYou
* Spokeo
* Zabasearch.com
* ZoomInfo

### Real estate/property[edit | edit source]

* HotPads.com
* Realtor.com
* Redfin
* Rightmove
* StuRents.com
* Trulia
* Zillow
* Zoopla

### Television[edit | edit source]

* TV Genius

### Travel[edit | edit source]

* Bustripping

### Video[edit | edit source]

* Sepia Search

### Video games[edit | edit source]

* Wazap

## By data type[edit | edit source]

Search engines dedicated to a specific kind of information

### Maps[edit | edit source]

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

### Multimedia[edit | edit source]

See also: Multimedia search

* 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[edit | edit source]

* Bing Shopping
* Google Shopping (formerly Google Product Search and Froogle[4])
* Kelkoo
* MySimon
* PriceGrabber
* PriceRunner
* Pronto.com
* Shopping.com
* Shopzilla
* TickX

### Source code[edit | edit source]

* Google Code Search
* Koders
* Krugle

### BitTorrent[edit | edit source]

These search engines work across the BitTorrent protocol.

* BTDigg
* Isohunt \- discontinued
* Mininova \- discontinued
* The Pirate Bay
* TorrentSpy \- discontinued
* Torrentz \- discontinued

### Blog[edit | edit source]

* Amatomu
* Bloglines
* IceRocket
* Mojeek (substack only)
* Munax
* Regator
* Technorati

## By model[edit | edit source]

### Search appliances[edit | edit source]

Main article: Search appliance

* Fabasoft
* Google Search Appliance \- discontinued
* Munax
* Searchdaimon
* Thunderstone

### Desktop search engines[edit | edit source]

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.[5] | 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. 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[6]
Lookeen | Windows | Desktop search product with Outlook plugin and limited support for other formats via IFilters, uses Lucene search engine.  | Proprietary (14-day trial)[7]
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 [8]
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[9].  | LGPL v2 [10]
Terrier Search Engine | Linux, Mac OS X, Unix | Desktop search for Windows, Mac OS X (Tiger), Unix/Linux.  | MPL v1.1[11]
Tracker | Linux, Unix | Open-source desktop search tool for Unix/Linux  | GPL v2 [12]
Tropes Zoom | Windows | Semantic Search Engine (no longer available)[13] | Freeware and commercial
Unity Dash | Linux | Part of Ubuntu Desktop | GPL v3,[14] LGPL v2.1[15]
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)[16]
Wumpus  | Cross platform  | Desktop search focused on information retrieval research  | GPL

### Child-safe search engines[edit | edit source]

* Kiddle
* KidRex
* KidzSearch
* QwantJunior
* Swisscows

### Metasearch engines[edit | edit source]

Main article: Metasearch engine

Name | Language

|

Dogpile | English
Excite | English
Info.com | English
Kayak.com | Multilingual
Mamma.com |
MetaCrawler | English
MetaGer | Multilingual
Mobissimo | Multilingual
MyAllSearch | Multilingual
Otalo.com | English
Publisher's clearinghouse Search and Win |
Searx | Multilingual
Skyscanner | Multilingual
Wego.com | Multilingual
All In One | English

### Natural language[edit | edit source]

See also: Natural language search engine and Semantic search

* Ask.com
* Bing (Semantic ability is powered by Powerset)
* Lexxe
* Perplexity.ai

### Open-source search engines[edit | edit source]

* ht://Dig
* Isearch
* Lemur Toolkit & Indri Search Engine
* Lucene
* mnoGoSearch
* Nutch
* Openverse
* Recoll
* Searchdaimon
* Searx
* Seeks
* Sphinx
* SWISH-E
* Terrier Search Engine
* Xapian
* YaCy
* Zettair

#### Web search engine[edit | edit source]

* Gigablast
* Grub

#### Enterprise search[edit | edit source]

See also: Enterprise search

* Apache Solr
* Elasticsearch[17][needs update]

### P2P search engines[edit | edit source]

Name | Language

|

Seeks (open-source) | English
YaCy (free and fully decentralized) | Multilingual

### Privacy search engines[edit | edit source]

See also: Search engine privacy

* DuckDuckGo
* HotBot
* MetaGer
* Mojeek
* Qwant
* Searx
* Startpage.com
* Swisscows
* You.com

### Social and environmental focus[edit | edit source]

* Ecosia

### Semantic browsing engines[edit | edit source]

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[edit | edit source]

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

* ChaCha Search
* Delver
* Eurekster
* Facebook Search
* Mahalo.com
* Rollyo
* Sproose
* Trexy

### Usenet[edit | edit source]

* Google Groups (formerly Deja News)

### Visual search engines[edit | edit source]

Main article: Visual search engine

* FindFace
* Grokker
* Macroglossa
* TinEye
* Viewzi

## By popularity[edit | edit source]

Main article: List of search engines by popularity

## Defunct or acquired search engines[edit | edit source]

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 | Redirected to DuckDuckGo in 2021
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)[18]
* 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
* 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[19]
* Wikia Search (defunct)
* WiseNut
* World Wide Web Worm

## See also[edit | edit source]

* List of academic databases and search engines
* List of web directories
* Search aggregator
* Search engine optimization
* Category:Search engine software

## References[edit | edit source]

1. ^ "Kurdish Swede creates first Kurdish search engine". Bas News. Archived from the original on 2014-01-02. Retrieved 1 January 2014.
2. ^ "First Kurdish Search Engine, Egerin, Is Launched". SBWire. 30 December 2013. Retrieved 1 January 2014.
3. ^ "This Entrepreneur Wants to Build a Kurdish Alternative to Google". www.vice.com. 18 March 2016.
4. ^ Sullivan, Danny (April 18, 2007). "Goodbye Froogle, Hello Google Product Search!". Search Engine Land. Retrieved 3 June 2018.
5. ^ "HP Universal Search". Archived from the original on 2015-05-16. Retrieved 2014-07-01.
6. ^ "Download Locate32 3.1.11.7100". softpedia. 20 August 2012.
7. ^ "Lookeen 10". Lookeen. Retrieved 2016-02-03.
8. ^ According to Recoll
9. ^ See "Strigi's Release Files". Retrieved 2024-01-18.
10. ^ According to COPYING inside version 0.5.10 tar.bz2 package.
11. ^ "Terrier License". GitHub. 13 November 2021.
12. ^ According to COPYING Archived 2012-07-14 at archive.today in SVN trunk.
13. ^ "Retrieved 15 August 2015". Archived from the original on 6 August 2019. Retrieved 16 August 2015.
14. ^ "Unity on GitHub". GitHub. 19 November 2021.
15. ^ "Required License Files". GitHub. 19 November 2021.
16. ^ "X1 Search 8". X1 Technologies. Retrieved 12 July 2014.
17. ^ Darrow, Barb (October 13, 2017). "Alibaba Is Adding This Key Technology to Its Growing Cloud". Fortune. Retrieved August 21, 2018.
18. ^ "Data, Data, Everywhere Data. Now a Better Way to Understand It". 27 March 2015.
19. ^ "Il dominio Volunia.it è in vendita". MRW.it News. 11 April 2014.

## External links[edit | edit source]

* Search Engines at Curlie

* v
* t
* e

Web search engines

Active|

| Dedicated|

* AOL
* Ahmia
* Ask.com
* Baidu
* Bing
* Blackle
* Brave
* DuckDuckGo
* Ecosia
* Exalead
* Fireball
* Gigablast
* Google
* Kiddle
* KidRex
* KidzSearch
* Lycos
* Mojeek
* Naver
* Parsijoo
* Petal
* SAPO
* Seznam.cz
* Sogou
* Swisscows
* WebCrawler
* YaCy
* Yahoo!
* Yandex
* Youdao

|

Metasearch engines|

* Dogpile
* Excite
* Info.com
* MetaCrawler
* MetaGer
* Searx
* Startpage
* Qwant

Inactive|

* 123people
* A9.com
* Aliweb
* AlltheWeb
* AltaVista
* Blekko
* Boogami
* Cuil
* Empas
* Forestle
* GenieKnows
* Go.com
* HotBot
* Infoseek
* Inktomi
* Ixquick
* JumpStation
* LeapFish
* Northern Light
* Pipilika
* Powerset
* Scroogle
* SearchMe
* Soso
* Sputnik
* Teoma
* Viewzi
* Vivisimo
* Volunia
* W3Catalog
* Wikiseek
* Yebol
* Yippy
* Yooz

* Comparison
* Complete list

*[v]: View this template
*[t]: Discuss this template
*[e]: Edit this template