Internet search engines are categorized by topic in our searchable directory of general and specialty search engines. Also listed are resources and tools for exploring the deep web, performing advanced research, and for learning about using search engine tools and technology.
General
- Ask.com (formerly Ask Jeeves)
- Baidu (Chinese)
- Bing (formerly MSN Search and Live Search)
- Cuil
- Duck Duck Go
- Sogou (Chinese)
- Sohu (Chinese)
- Yahoo! Search
- Yandex (Russian)
Geographical limited scope
- Accoona, China/US
- Alleba, Philippines
- Ansearch, Australia/US/UK/NZ
- Araby, Middle East
- Baidu, China
- Daum, Korea
- Guruji.com, India
- Goo, Japan
- Leit.is, Iceland
- Miner.hu, Hungary
- Najdi.si, Slovenia
- Naver, Korea
- Onkosh, Middle East
- Rambler, Russia
- Rediff, India
- SAPO, Portugal/Angola/Cabo Verde/Mozambique
- Search.ch, Switzerland
- Sesam, Norway, Sweden
- Seznam, Czech Republic
- Walla!, Israel
- Yandex, Russia
- ZipLocal, Canada/US
Accountancy
- IFACnet
Business
- Business.com
- GlobalSpec
- Nexis (Lexis Nexis)
- Thomasnet (United States)
Enterprise
See also: Enterprise search
- AskMeNow: S3 - Semantic Search Solution
- Concept Searching Limited: concept search products
- Dieselpoint: Search & Navigation
- dtSearch: dtSearch Engine(SDK), dtSearch Web
- Endeca: Information Access Platform
- Exalead: exalead one:enterprise
- Expert System S.p.A.: Cogito
- Fast Search & Transfer: Enterprise Search Platform (ESP), RetrievalWare (formerly Convera)
- Funnelback: Funnelback Search
- ISYS Search Software: ISYS:web, ISYS:sdk
- Microsoft: SharePoint Search Services
- Northern Light
- Open Text: Hummingbird Search Server, Livelink Search
- Oracle Corporation: Secure Enterprise Search 10g
- SAP: TREX
- TeraText: TeraText Suite
- Vivisimo: Vivisimo Clustering Engine
- X1 Technologies : X1 Enterprise Search
- ZyLAB Technologies: ZyIMAGE Information Access Platform
Mobile/Handheld
- Taptu: taptu mobile/social search
Job
See also: Category:Job search engines
- Bixee.com (India)
- CareerBuilder.com (USA)
- Craigslist (by city)
- Dice.com (Technology Professionals)
- Eluta.ca (Canada)
- Hotjobs.com (USA)
- Incruit (Korea)
- Indeed.com (USA)
- LinkUp.com (USA)
- Monster.com (USA),(India)
- Recruit.net (International)
- SimplyHired.com (USA)
- Naukri.com (India)
Legal
- WestLaw
- Lexis (Lexis Nexis)
- Quicklaw
- Manupatra
Medical
- Bioinformatic Harvester
- Entrez (includes Pubmed)
- EB-eye EBI's Search Engine EMBL-EBI's Search engine
- GenieKnows
- GoPubMed (knowledge-based: GO - GeneOntology and MeSH - Medical Subject Headings)
- Healia
- Searchmedica
- WebMD
- PubGene
- Nextbio (Life Science Search Engine)
- VADLO (Life Sciences Search Engine)
News
- Google News
- Daylife
- MagPortal
- Newslookup
- Nexis (Lexis Nexis)
- Topix.net
- Yahoo! News
People
- PeekYou
- Ex.plode.us
- InfoSpace
- Spock
- Spokeo
- Wink
- Zabasearch.com
- ZoomInfo
Real property
- Fizber.com
- Home.co.uk
- HotPads.com
- Rightmove
- Zillow.com
Video Games
- GenieKnows
- Wazap (Japan)
By information type
Search engines dedicated to a specific kind of information
Forum
- Omgili
Blog
- Amatomu
- Bloglines
- BlogScope
- IceRocket
- Sphere
- Technorati
Multimedia
See also: Multimedia search
- Bing Videos
- blinkx
- FindSounds
- Google Video
- Munax's PlayAudioVideo
- Picsearch
- Pixsta
- Podscope
- Songza
- SeeqPod
- Veveo
- TinEye
- Yahoo! Video
- YouTube
Source code
- Google Code Search
- JExamples
- Koders
- Krugle
BitTorrent
These search engines work across the BitTorrent protocol.
- Btjunkie
- Demonoid
- FlixFlux
- Isohunt
- Mininova
- The Pirate Bay
- TorrentSpy
- TEK
Maps
- Bing Maps
- Géoportail
- Google Maps
- MapQuest
- Yahoo! Maps
Price
- Google Product Search (formerly Froogle)
- Kelkoo
- MSN Shopping
- MySimon
- PriceGrabber
- PriceRunner
- Shopping.com
- ShopWiki
- Shopzilla (also operates Bizrate)
- TheFind.com
Question and answer
Human answers
- Answers.com
- eHow
- Uclue
- Yahoo! Answers
- Stack Overflow
- DeeperWeb
Automatic answers
See also: Question answering
- AskMeNow
- BrainBoost
- True Knowledge
- Wolfram Alpha
Natural language
See also: Natural language search engine and Semantic search
- Ask.com
- Bing (Semantic ability is powered by Powerset)
- BrainBoost
- hakia
- Lexxe
- Powerset
By model
Open source search engines
- DataparkSearch
- Egothor
- Gonzui
- Grub
- Ht://dig
- Isearch
- Lucene
- Lemur Toolkit & Indri Search Engine
- mnoGoSearch
- Namazu
- Nutch
- OpenFTS
- Sciencenet (for scientific knowledge, based on YaCy technology)
- Sphinx
- SWISH-E
- Terrier Search Engine
- Wikia Search
- Xapian
- YaCy
- Zettair
Semantic browsing engines
- Evri
- Hakia
Social search engines
See also: Social search, Relevance feedback, and Human search engine
- ChaCha Search
- Delver
- EarthFrisk.org
- Eurekster
- Mahalo.com
- OneRiot
- Rollyo
- Sproose
- Trexy
- Wikia search
- Wink provides web search by analyzing user contributions such as bookmarks and feedback
Metasearch engines
See also: Metasearch engine
- Brainboost
- ChunkIt!
- Clusty
- Dogpile
- Excite
- Harvester42
- HotBot
- Info.com
- Ixquick
- Kayak
- LeapFish
- Mamma
- Metacrawler
- MetaLib
- Mobissimo
- Myriad Search
- SideStep
- Turbo10
- WebCrawler
- DeeperWeb
Visual search engines
- ChunkIt!
- Grokker
- Kartoo
- Pixsta
- PubGene
- Viewzi
Search Appliances
- Google: Google Search Appliance