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.
Contents
- 1 By content/topic
- 2 By data type
- 3 By model
- 3.1 Search appliances
- 3.2 Desktop search engines
- 3.3 Kids safe search engines
- 3.4 Metasearch engines
- 3.5 Natural language
- 3.6 Open source search engines
- 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
General
| Name | Language |
|---|
| Alexa global ranking | ||
|---|---|---|
| AOL Search* | Multilingual | 318 †[1] |
| Ask.com** | Multilingual | 165[2] |
| Baidu | Chinese | 4[3] |
| Bing | Multilingual | 47[4] |
| Dogpile*** | English | 10,603[5] |
| DuckDuckGo* | Multilingual | 214[6] |
| Ecosia* | Multilingual | 700[7] |
| Exalead | Multilingual | 116,560[8] |
| Excite* | Multilingual | 15,098 †[9] |
| Gigablast | English | 135,070[10] |
| Multilingual | 1[11] | |
| HotBot* | English | 298,374[12] |
| Lycos | Multilingual | 36,396[13] |
| MetaCrawler*** | English | 19,168[14] |
| Mojeek | Multilingual | 148,996[15] |
| Qwant* | Multilingual | 2,158[16] |
| Searx*** | Multilingual | 93,323[17] |
| Sogou | Chinese | 162[18] |
| Soso | Chinese | 96[19] |
| Startpage.com** | English | 1,946[20] |
| Swisscows* | Multilingual | 232,931[21] |
| WebCrawler* | English | 4,264[22] |
| Yahoo!* | Multilingual | 7 †[23] |
| Yandex | Multilingual | 1,060 |
| Yippy*** | English | 137,607[24] |
| Youdao | Chinese | 260[25] |
* Powered by Bing
** Powered by Google
*** Metasearch engine
† Main website is a portal
Based on
Based on Ask.com (formerly)
Based on Bing
- A9.com
- AOL, from 2015
- Alexa Internet
- Ciao!
- Ecosia
- Egerin
- Ms. Dewey
- Facebook Search, until 2014
- HotBot
- WebCrawler
Based on Google
- AOL Search, until 2015
- Groovle
- MySpace Search
- Mystery Seeker
- Netscape
- Ripple
- BOL
- Startpage.com
Based on Yahoo!
- Ecocho
- Everyclick (formerly based on Ask.com)
- Forestle (an ecologically motivated site supporting sustainable rain forests – formerly based on Google)
- Rectifi
Mobile/handheld
- Taganode Local Search Engine
- Taptu: taptu mobile/social search
Geographically limited scope
Accountancy
Business
- Business.com
- GenieKnows (United States and Canada)
- GlobalSpec
- Nexis (Lexis Nexis)
- Thomasnet (United States)
Computers
Dark Web
Education
General:
Academic materials only:
Enterprise
See also: Enterprise search
- Apache Solr
- Funnelback: Funnelback Search
- Jumper 2.0: Universal search powered by Enterprise bookmarking
- Oracle Corporation: Secure Enterprise Search 10g
- Q-Sensei: Q-Sensei Enterprise
- TeraText: TeraText Suite
- SimilarWeb[26]
- Swiftype: Swiftype Search
Events
Food/recipes
- RecipeBridge: vertical search engine for recipes
- Yummly: semantic recipe search
Genealogy
- Mocavo.com: family history search engine
Job
Main article: Job search engine
- Adzuna (UK)
- CareerBuilder (USA)
- Craigslist (by city)
- Dice.com (USA)
- Eluta.ca (Canada)
- Glassdoor (USA)
- Incruit (Korea)
- Indeed (USA)
- JobStreet.com (Southeast Asia, Japan and India)
- Monster.com (USA), (India)
- Naukri.com (India)
- Rozee.pk (Pakistan)
- Yahoo! HotJobs (Countrywise subdomains, International)
Legal
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
- Quertle (Semantic search of the biomedical literature)
- Searchmedica
- WebMD
News
People
Real estate/property
Television
Video Games
By data type
Search engines dedicated to a specific kind of information
Maps
- Bing Maps
- Géoportail
- Google Maps
- MapQuest
- Nokia Maps
- OpenStreetMap
- Tencent Maps
- Wikiloc
- WikiMapia
- Yahoo! Maps
- Yandex Maps
Multimedia
See also: Multimedia search
- Bing Videos
- blinkx
- FindSounds
- Google Video
- Munax‘s PlayAudioVideo
- Picsearch
- Pixsta
- Podscope
- ScienceStage
- SeeqPod
- Songza
- Tencent Video
- TinEye
- TV Genius
- Veveo
- Yahoo! Video
Price
- Bing Shopping
- Google Shopping (formerly Google Product Search and Froogle[27])
- Kelkoo
- MySimon
- PriceGrabber
- PriceRunner
- PriceSCAN
- Pronto.com
- Shopping.com
- Shopzilla
- SwoopThat.com
- TheFind.com
- TickX
Source code
BitTorrent
These search engines work across the BitTorrent protocol.
Blog
Forum
Question and answer
Main article: List of question-and-answer websites
Human answers
Automatic answers
See also: Question answering
By model
Search appliances
- Google Search Appliance – discontinued
- Fabasoft
- 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 |
|---|---|---|---|
| Autonomy | Windows | IDOL Enterprise Desktop Search, HP Autonomy Universal Search.[28] | 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 now 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[29] |
| Lookeen | Windows | Desktop search product with Outlook plugin and limited support for other formats via IFilters, uses Lucene search engine. | Proprietary (14-day trial)[30] |
| 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 [31] |
| 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 [32] |
| Terrier Search Engine | Linux, Mac OS X, Unix | Desktop search for Windows, Mac OS X (Tiger), Unix/Linux. | MPL v1.1[33] |
| Tracker | Linux, Unix | Open Source desktop search tool for Unix/Linux | GPL v2 [34] |
| Tropes Zoom | Windows | Semantic Search Engine (no longer available).[35] | Freeware and commercial |
| Unity Dash | Linux | Part of Ubuntu Desktop. | GPL v3[36], LGPL v2.1[37] |
| 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)[38] |
Kids safe search engines
Metasearch engines
| Name | Language |
|---|---|
| Dogpile | English |
| Excite | English |
| Info.com | English |
| Kayak and SideStep | Multilingual |
| Mamma | |
| Metacrawler | English |
| Mobissimo | Multilingual |
| Otalo | English |
| PCH Search and Win | |
| Searx | Multilingual |
| Skyscanner | Multilingual |
| Yippy (formerly Clusty) | English |
Natural language
See also: Natural language search engine and Semantic search
Open source search engines
- Apache Solr
- Elasticsearch[39]
- Gigablast
- Grub
- ht://Dig
- Isearch
- Lemur Toolkit & Indri Search Engine
- Lucene
- mnoGoSearch
- Nutch
- Recoll
- Searchdaimon
- Searx
- Seeks
- Sphinx
- SWISH-E
- Terrier Search Engine
- Xapian
- YaCy
- Zettair
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
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
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)[40]
- BlogScope (acquired by Marketwire)
- Brainboost (Public engine no longer exists, acquired by Answers, Inc.)
- BRS/Search (now OpenText Livelink ECM Discovery Server)
- Btjunkie
- Cuil (Public engine no longer exists, acquired by Google Inc)
- ChunkIt! (now “yolink!”) (Public engine no longer exists)
- DeepPeep
- Direct Hit Technologies (acquired by Ask Jeeves in January, 2000)
- Getit Infoservices Private Limited
- Google Answers
- GoPubMed (knowledge-based: GO – GeneOntology and MeSH – Medical Subject Headings) (Engine no longer exists)
- hakia (No longer exists)
- IBM STAIRS
- Infoseek (acquired by The Walt Disney Company)
- Inktomi
- Kartoo
- LeapFish (Public engine no longer exists)
- Lotus Magellan
- MetaLib (Public engine no longer exists)
- Munax (No longer exists)
- mozDex (No longer exists)
- Myriad Search (No longer exists)
- 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)
- Speechbot
- Sphere (acquired by AOL)
- Tafiti (replaced by Microsoft Bing)
- Volunia [41]
- 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
“Aol.com Traffic, Demographics and Competitors – Alexa”. http://www.alexa.com. Retrieved 2018-12-28. “Ask.com Traffic, Demographics and Competitors – Alexa”. http://www.alexa.com. Retrieved 2018-12-28. “Baidu.com Traffic, Demographics and Competitors – Alexa”. http://www.alexa.com. Retrieved 2018-12-28. “Bing.com Traffic, Demographics and Competitors – Alexa”. http://www.alexa.com. Retrieved 2018-12-28. “Dogpile.com Traffic, Demographics and Competitors – Alexa”. http://www.alexa.com. Retrieved 2018-12-28. “Duckduckgo.com Traffic, Demographics and Competitors – Alexa”. http://www.alexa.com. Retrieved 2018-12-28. “Ecosia.org Traffic, Demographics and Competitors – Alexa”. http://www.alexa.com. Retrieved 2018-12-28. “Exalead.com Traffic, Demographics and Competitors – Alexa”. http://www.alexa.com. Retrieved 2018-12-28. “Excite.com Traffic, Demographics and Competitors – Alexa”. http://www.alexa.com. Retrieved 2018-12-28. “Gigablast.com Traffic, Demographics and Competitors – Alexa”. http://www.alexa.com. Retrieved 2018-12-28. “Google.com Traffic, Demographics and Competitors – Alexa”. http://www.alexa.com. Retrieved 2018-12-28. “Hotbot.com Traffic, Demographics and Competitors – Alexa”. http://www.alexa.com. Retrieved 2018-12-28. “Lycos.com Traffic, Demographics and Competitors – Alexa”. http://www.alexa.com. Retrieved 2018-12-28. “Metacrawler.com Traffic, Demographics and Competitors – Alexa”. http://www.alexa.com. Retrieved 2018-12-28. “Mojeek.com Traffic, Demographics and Competitors – Alexa”. http://www.alexa.com. Retrieved 2018-12-28. “Qwant.com Traffic, Demographics and Competitors – Alexa”. http://www.alexa.com. Retrieved 2018-12-28. “Searx.me Traffic, Demographics and Competitors – Alexa”. http://www.alexa.com. Retrieved 2018-12-28. “Sogou.com Traffic, Demographics and Competitors – Alexa”. http://www.alexa.com. Retrieved 2018-12-28. “Soso.com Traffic, Demographics and Competitors – Alexa”. http://www.alexa.com. Retrieved 2018-12-28. “Startpage.com Traffic, Demographics and Competitors – Alexa”. http://www.alexa.com. Retrieved 2018-12-28. “Swisscows.com Traffic, Demographics and Competitors – Alexa”. http://www.alexa.com. Retrieved 2018-12-28. “Webcrawler.com Traffic, Demographics and Competitors – Alexa”. http://www.alexa.com. Retrieved 2018-12-28. “Yahoo.com Traffic, Demographics and Competitors – Alexa”. http://www.alexa.com. Retrieved 2018-12-28. “Yippy.com Traffic, Demographics and Competitors – Alexa”. http://www.alexa.com. Retrieved 2018-12-28. “Youdao.com Traffic, Demographics and Competitors – Alexa”. http://www.alexa.com. Retrieved 2018-12-28. “SimilarWeb”. SimilarWeb. Retrieved 20 February 2015. Sullivan, Danny (April 18, 2007). “Goodbye Froogle, Hello Google Product Search!”. Search Engine Land. Retrieved 3 June 2018. “HP Universal Search”. Retrieved 2014-07-01. According to http://www.softpedia.com/get/Internet/Servers/Database-Utils/Locate32.shtml“Lookeen 10”. Lookeen. Retrieved 2016-02-03. According to Recoll According to COPYING in version 0.5.10 tar.bz2 package. “Terrier License”. GitHub. According to COPYINGArchived 2012-07-14 at Archive.today in SVN trunk. According to http://www.semantic-knowledge.com/download.htm. Retrieved 15 August 2015. “Unity on GitHub”. GitHub. “Required License Files”. GitHub. “X1 Search 8”. X1 Technologies. Retrieved 12 July 2014. Darrow, Barb (October 13, 2017). “Alibaba Is Adding This Key Technology to Its Growing Cloud”. Fortune. Retrieved August 21, 2018. “Data, Data, Everywhere Data. Now a Better Way to Understand It”. 27 March 2015.
- According to domain liquidation notice at http://blog.mrwebmaster.it/2014/04/11/il-dominio-volunia-it-e-in-vendita.html (Italian)
Tham khao : From Wikipedia
https://en.wikipedia.org/wiki/List_of_search_engines
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