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List of search engines

This is a list of articles about 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.


1. By content/topic
	1.1 General
		1.1.1 P2P search engines
	1.2 Metasearch engines
	1.3 Geographically limited scope
	1.4 Accountancy
	1.5 Business
	1.6 Enterprise
	1.7 Fashion
	1.8 Food/Recipes
	1.9 Mobile/Handheld
	1.10 Job
	1.11 Legal
	1.12 Medical
	1.13 News
	1.14 People
	1.15 Real estate / property
	1.16 Television
	1.17 Video Games

2 By information type
	2.1 Forum
	2.2 Blog
	2.3 Multimedia
	2.4 Source code
	2.5 BitTorrent
	2.6 Cloud
	2.7 Email
	2.8 Maps
	2.9 Price
	2.10 Question and answer
		2.10.1 Human answers
		2.10.2 Automatic answers
	2.11 Natural language

3 By model
	3.1 Privacy search engines
	3.2 Open source search engines
	3.3 Semantic browsing engines
	3.4 Social search engines
	3.5 Visual search engines
	3.6 Search appliances
	3.7 Desktop search engines
	3.8 Usenet

4 Based on
	4.1 Google
	4.2 Yahoo!
	4.3 Bing
	4.4 Ask.com

1. By content/topic

General

Google (Algeria, Argentina, Australia, Austria, Belgium, Brazil, Burundi, Canada, Chad, Chile, Colombia, Costa Rica, Czech republical, Denmark, Filipinas, Finland, France, Gambia, Germany, Greece, Greenland, Guernsey, Holland, Honduras, Hong Kong, Hungary, Ireland, Israel, Italy, Japan, Jersey, Kazakhstan, Korea, Latvia, Liechtenstein, Lithuania, Malawi, Malaysia, Malta, Mauritius, Mexico, Micronesia, Montserrat, Nepal, New Zealand, Nicaragua, Nigeria, Norfolk Island, Norway, Panama, Paraguay, Peru, Poland, Portugal, Puerto Rico, Pitcairn Islands, Republic of Congo, Romania, Russia, Rwanda, Samoa, San Marino, Santa Elena, Saudi Arabia, Singapore, South Africa, Spain, Switzerland, Taiwan, Tajikistan, Thailand, Turkey, Ukraine, UAE, United Kingdom, Uruguay, Uzbekistan, Venezuela, Virgin Islands)
Baidu
Bing
Blekko
DuckDuckGo
Exalead
Gigablast
Sogou
Soso
Volunia
Yahoo!
Yandex
Yodao

P2P search engines

FAROO
Seeks (Open Source)
YaCy (Free and fully decentralized)

Metasearch engines

Enterprise

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

Fashion

Fashion Net

Food/Recipes

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

Mobile/Handheld

Taganode Local Search Engine
Taptu: taptu mobile/social search

Job

Bixee.com (India)
CareerBuilder.com (USA)
Craigslist (by city)
Dice.com (USA)
Eluta.ca (Canada)
Hotjobs.com (USA)
Incruit (Korea)
Indeed.com (USA)
LinkUp.com (USA)
Monster.com (USA), (India)
Naukri.com (India)
Yahoo! HotJobs (Countrywise subdomains, International)

Legal

Medical

Bing Health
Bioinformatic Harvester
EB-eye EMBL-EBI's Search engine
Entrez (includes Pubmed)
GenieKnows
GoPubMed (knowledge-based: GO - GeneOntology and MeSH - Medical Subject Headings)
Healia
Healthline
Nextbio (Life Science Search Engine)
PubGene
Quertle (Semantic search of the biomedical literature)
Searchmedica
WebMD

News

People

Real estate / property

Television

TV Genius

Video Games

Wazap (Japan)

2. By information type

Search engines dedicated to a specific kind of information

Forum

Omgili

Blog

Multimedia

Source code

BitTorrent

These search engines work across the BitTorrent protocol.

Cloud

Search engines listed below find various types of files that have been stored in the cloud and made publicly available.

Open Drive

Email

Lookeen
TEK

Maps

Price

Bing Shopping
Google Shopping (formerly Google Product Search and Froogle)
Kelkoo
MySimon
PriceGrabber
PriceRunner
PriceSCAN
Pronto.com
Shopping.com
ShopWiki
Shopzilla (also operates Bizrate)
SwoopThat.com
TheFind.com
Wishabi
Cayole

AskMeNow
BrainBoost
True Knowledge
Wolfram Alpha

Natural language

Ask.com
Bing (Semantic ability is powered by Powerset)
Hakia
Lexxe

3. By model

Privacy search engines

DuckDuckGo
Ixquick (and startpage.com)

Open source search engines

DataparkSearch
Gigablast
Grub
ht://Dig
Isearch
Lemur Toolkit & Indri Search Engine
Lucene
mnoGoSearch
Namazu
Nutch
Recoll
Sciencenet (for scientific knowledge, based on YaCy technology)
Searchdaimon
Seeks
Sphinx
SWISH-E
Terrier Search Engine
Xapian
YaCy
Zettair

Semantic browsing engines

Hakia
Yebol

Social search engines

ChaCha Search
Eurekster
Mahalo.com
OneRiot
Rollyo
SearchTeam
Sproose
Trexy
Wink provides web search by analyzing user contributions such as bookmarks and feedback

Name	Platform	Remarks	License
Autonomy	Windows	IDOL Enterprise Desktop 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		Free for home use
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
Google Desktop	Linux, Mac OS, 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
GNOME Storage	Linux	Open Source desktop search tool for Unix/Linux	GPL
InSight Desktop Search	Windows	Metadata-based search utility	Freeware
ISYS Search Software	Windows	ISYS:desktop search software.	Proprietary (14 day trial)
Locate32	Windows	Graphical port of Unix's locate & updatedb	BSD License
Lookeen	Windows	Outlook Search Tool, with integrated Desktop Search	Proprietary (14 day trial)
Meta Tracker	Linux, Unix	Open Source desktop search tool for Unix/Linux	GPL v2
Recoll	Linux, Unix	Open Source desktop search tool for Unix/Linux	GPL
Spotlight	Mac OS	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
Terrier Search Engine	Linux, Mac OS, Unix	Desktop search for Windows, Mac OS X (Tiger), Unix/Linux.	MPL
Tropes Zoom	Windows	Semantic Search Engine.	Freeware and commercial
Unity Dash	Linux	Part of Ubuntu Desktop.	GPL v3
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, freeware

Usenet

Google Groups (formerly Deja News)

Ecocho
Everyclick (formerly based on Ask.com)
Forestle (an ecologically motivated site supporting sustainable rain forests - formerly based on Google)
GoodSearch
Rectifi

Bing

Ask.com

Hakia (semantic search)
iWon
Lycos
Teoma

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