List of Search Engines

By content/topic

General

• Ask.com
• Baidu (Chinese, Japanese)
• Bing
• Blekko
• Duck Duck Go
• Google
• Kosmix
• Sogou (Chinese)
• Soso.com (Chinese)
• Yahoo!
• Yandex (Russian)
• Yebol
• Yodao (Chinese)

Metasearch engines

See also: Metasearch engine

• Brainboost
• ChunkIt!
• Clusty
• DeeperWeb
• Dogpile
• Excite
• Harvester42
• HotBot
• Info.com
• Ixquick
• Kayak
• LeapFish
• Mamma
• Metacrawler
• MetaLib
• Mobissimo
• Myriad Search
• SideStep
• Turbo10
• WebCrawler

Accountancy

• IFACnet

Business

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

Enterprise

See also: Enterprise search

• AskMeNow: S3 - Semantic Search Solution
• Concept Searching Limited: concept search products
• Coveo: Coveo Enterprise Search platform, Coveo Expresso
• 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
• IBM: OmniFind Enterprise Edition
• Inbenta: Inbenta Semantic Search Engine
• ISYS Search Software: ISYS:web, ISYS:sdk
• Jumper 2.0: Universal search powered by Enterprise bookmarking
• 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