123people Initially, 123people was developed as a real time people search service, which gathered information from the deep web and over 200 external datasources, to present it in a structured search resu...
A9.com A9.com is a subsidiary of Amazon.com based in Palo Alto, California that develops search and advertising technology.
Accoona Accoona was an internet company having offices in Jersey City, New Jersey and Shanghai, China.
Alexa Internet Alexa Internet, Inc. is a California-based subsidiary company of Amazon.com which provides commercial web traffic data.
Aliweb ALIWEB (Archie Like Indexing for the WEB) is considered the first Web search engine, as its predecessors were either built with different purposes (the Wanderer, Gopher) or were ...
AlltheWeb AlltheWeb was an Internet search engine that made its debut in mid-1999 and was closed in 2011.
AltaVista AltaVista was an early web search engine.
Anchor text The anchor text, link label, link text, or link title is the visible, clickable text in a hyperlink.
Animedia animedia was the first search engine dedicated to anime and manga in Spanish, most Spanish anime web pages are now based on the services that animedia gives, in 2002 they offered the first oekak...
Ansearch Ansearch (ASX code: ANH) is an Australia-based Internet company.
Apostolos Gerasoulis Apostolos Gerasoulis is the co-creator of Teoma, an Internet search engine that powers Ask.com.
Archie search engine Archie is a tool for indexing FTP archives, allowing people to find specific files.
Ask.com Ask.com (originally known as Ask Jeeves) is a question answering-focused web search engine founded in 1996 by Garrett Gruener and David Warthen in Berkeley, California.
AskMeNow AskMeNow Inc. was an American public corporation, specializing in mobile search and mobile advertising.
Astalavista.box.sk astalavista.box.sk was founded in 1994 as one of the first search engines for computer security information.
Audio search engine An audio search engine is a web-based search engine which crawls the web for audio content.
Baidu Baidu, Inc. (pronounced BY-doo in English), incorporated on January 18, 2000, is a Chinese web services company headquartered in the Baidu Campus in Haidian District in Beijing.
BASE (search engine) BASE (Bielefeld Academic Search Engine) is a multi-disciplinary search engine to scholarly internet resources, created by Bielefeld University Library in Bielefeld, Germany.
Become.com Become.com is a product price comparison service and discovery shopping search engine.
benclo Benclo™. Is a search engine based in Tetbury, United Kingdom.
Best of the Web Directory Best of the Web Directory is a commercial web directory providing websites categorized topically and regionally.
Bing (search engine) Bing (formerly Live Search, Windows Live Search, and MSN Search) is a web search engine (advertised as a "decision engine") from Microsoft.
Bing Entertainment Bing Entertainment is an entertainment search service and part of Microsoft's Bing search engine.
Bing Images Bing Images (formerly Live Search Images and MSN images) is an image search service and part of Microsoft's Bing search engine.
Bioinformatic Harvester The Bioinformatic Harvester is a bioinformatic meta search engine created by the European Molecular Biology Laboratory and subsequently hosted and further developed by KIT Karlsruhe Institute of...
BizShark Bizshark is an Internet business search engine and web directory specially designed for competitor analysis, marketing research, business development, and other business processes.
Blekko Blekko, trademarked as blekko (lowercase), is a company that provides a web search engine with the stated goal of providing better search results than those offered by Goo...
Blingo Blingo is a Publishers Clearing House company and is a search and win site that awards prizes to searchers at randomly chosen times throughout the day.
blinkx Blinkx (London AIM:; stylized as blinkx), is an Internet Media platform that connects online video viewers with content publishers and distributors, utilizing advertising to monetize those inter...
BlogPulse BlogPulse was a search engine and analytic system for blogs.
Blucora Inc. Blucora provides metasearch and private-label Internet search services for consumers and businesses.
Blucora, Inc. Blucora InfoSpace, Inc. changed its name to Blucora and its NASDAQ ticker symbol from INSP to BCOR on June 7, 2012.
Boogami Boogami is a search engine that was developed by James Wildish, a sixteen-year-old college student from Kent in United Kingdom.
BotSeer BotSeer was a Web-based information system and search tool used for research on Web robots and trends in Robot Exclusion Protocol deployment and adherence.
Brainboost Brainboost is a metasearch engine designed to provide specific answers to questions asked in natural language.
BTDigg BTDigg is the first BitTorrent DHT search engine.
Business.com Business.com is a business advertising network which offers various performance marketing products, including pay per lead and pay per click services, directory listings, and display advertising.
Carrot2 Carrot² is an open source search results clustering engine.
CastTV CastTV is an Internet video search and aggregation company based in San Francisco, California.
ChemRefer ChemRefer is a service that allows searching of freely-available and full-text chemical and pharmaceutical literature that is published by authoritative sources.
ChemXSeer ChemXSeer project, funded by the National Science Foundation, is a public integrated digital library, database, and search engine for scientific papers in chemistry.
Citebase Citebase Search is an experimental, semi-autonomous citation index for the free, online research literature created by Tim Brody at the University of Southampton, UK. It harvests open access e-p...
CiteSeer CiteSeer was a public search engine and digital library for scientific and academic papers, primarily in the fields of computer and information science that has been replaced by CiteSeer^^^...
CiteSeerX CiteSeerX is a public search engine and digital library and repository for scientific and academic papers with a focus on computer and information science.
Clicker.com Clicker was an Internet video directory and search company based in Los Angeles, California.
Clusty Clusty was a metasearch engine developed by Vivísimo which offered clusters of results.
Codase Codase was a syntax-aware source code search engine that allows software developers to search Open Source repositories to find relevant source code.
Comfibook Comfibook is a search aggregator website that collects and publishes data from many online and offline sources (such as phone directories, social networks, online photo albums, and public records).
Convera Corporation Convera was formed in December 2000 by the merger of Intel's Interactive Services division and Excalibur Technologies Corporation.
Copernic Copernic Inc. is a company based in Quebec, Canada specializing in web search technology.
Covario Covario, Inc. is an American search marketing agency and technology firm based in San Diego, California.
Crawljax Crawljax is a free and open source web crawler for automatically crawling and analyzing dynamic Ajax-based Web applications.
Cuil Cuil was a search engine that organized web pages by content and displayed relatively long entries along with thumbnail pictures for many results.
Database search engine Database search engines were initially (and still usually are) included with major database software products.
DataparkSearch DataparkSearch is a search engine designed to organize search within a website, group of websites, intranet or local system.
Davindi Davindi is a search engine for searching the open source Kennisnet database.
Decision engine Some on-line web-serch engines would have you believe a decision engine is a type of web search engine that uses input gathered from the user in order to provide more relevant or targeted results.
DeeperWeb DeeperWeb is a free search engine tool for Google users that allows navigating through search results by employing tag cloud techniques.
Diplomacy Monitor Diplomacy Monitor was a free Internet-based tool created in 2003 to monitor diplomacy documents (communiqués, official statements, interview transcripts, etc.) published in various diplomacy-rel...
DiscoverEd DiscoverEd is an educational search engine built by Creative Commons.
Divvio Divvio primarily focuses on multimedia indexing & search and develops technologies that aim to improve the user experience in consuming digital media on the Internet and mobile devices.
Dogpile Dogpile is a search engine that fetches results from Google, Yahoo!, Yandex, and includes results from several other popular search engines, including those from audio and video content providers.
DoGreatGood Do Great Good was a search engine that allowed users to help support charitable causes by conducting online searches.
Domania Domania was a Web site that debuted in April 2000 as a consumer-facing real estate portal that featured a slate of tools including Home Price Check, an Internet search engine that allowe...
Duck Duck Go Duck Duck Go is a search engine based in Valley Forge, Pennsylvania that uses information from crowd-sourced sites (like Wikipedia) with the aim of augmenting traditional results and improving r...
DuckDuckGo Duck Duck Go is a search engine based in Valley Forge, Pennsylvania that uses information from crowd-sourced sites (like Wikipedia) with the aim of augmenting traditional results and improving r...
EB-eye The EB-eye is a fast and efficient search engine that provides easy and uniform access to the biological data resources hosted at the European Bioinformatics Institute (EBI).
Ecocho Ecocho is a search engine with the aim of offsetting carbon emissions by donating 70% of revenues to 'carbon offset credits'.
elgooG elgooG (Google spelled backwards) is the literal mirror image of the Google search engine; not only is all of its content a reversal of Google, the search terms must also be writs'ou;jhosiadfhyh...
Empas Empas (hangul: 엠파스) was one of the popular total internet search tools and web portal sites in South Korea.
Everyclick Everyclick is a limited for-profit British internet company formed in 2005.
eWatch eWatch, acquired by PR Newswire in 2000, was founded in 1995 as an automated service to monitor websites, chat rooms, Usenet groups, web publications, online service forums and investor message ...
Ex.plode.us ex.plode.us was a website search engine that indexed people.
Exalead Exalead was a software company, created in 2000 and dissolved in 2014, that provided search platforms and search-based applications (SBA) for consumer and business users.
Excite Excite (stylized as excite) is a collection of web sites and services, launched in December 1995.
Fabasoft Mindbreeze Fabasoft Mindbreeze is a range of software for Enterprise Search, Information Access and Digital Cognition.
Facebook Graph Search Facebook Graph Search is a semantic search engine that was introduced by Facebook in March 2013.
FAROO FAROO is a universal web search engine based on peer-to-peer technology.
GazoPa GazoPa was an image search engine that used features from an image to search for and identify similar images which closed in 2011.
Geliyoo Geliyoo Bilişim is a Turkish multinational corporation that specializes in Internet-related services and products.
GenieKnows GenieKnows is a division of IT Interactive Services Inc., a privately owned vertical search engine company based in Halifax, Nova Scotia.
GetApp.com GetApp.com is a business software marketplace which lists online software categorized by industry, business need, operating system, deployment method and geography.
Gigablast Gigablast is a small independent web search engine based in New Mexico.
Gimmeyit (search engine) Gimmeyit is a crowd-source-based search engine using social media content to find relevant search results rather than the traditional rank-based search engines that rely on routine cataloging an...
Giphy Giphy is a database and search engine that allows users to search for and share animated GIF files.
Global Change Master Directory The Global Change Master Directory is a directory of Earth Science data sets and related tools/services, many of which are targeted for the use, analysis, and display of the data.
Globo.com Rede Globo (, Globe Network), or simply Globo, is a Brazilian television network, launched by media mogul Roberto Marinho on April 26, 1965.
Globrix Globrix was a UK real estate search engine that was launched in January 2008.
goo (search engine) goo (properly spelled without capitalizing the first letter) is an internet search engine and web portal based in Japan, which crawls and indexes primarily Japanese language websites.
GoodSearch GoodSearch offers a suite of services which allow its users to support their favorite nonprofit or school through simple everyday actions including searching the web search, shopping online, din...
Google Knowledge Graph Google's Knowledge Graph is a knowledge base used by Google to enhance its search engine's search results with semantic search information gathered from a wide variety of sources.
Google Search Google Search (or Google Web Search) is a web search engine owned by Google Inc. Google Search is the most-used search engine on the World Wide Web, handling more than three billion search...
Google search features The Google search features include more than 40 options or keywords to modify the type of search.
Google SearchWiki SearchWiki was a Google search feature which allowed logged-in users to annotate and re-order search results.
Google Shell Google Shell, or goosh, is an open source browser based Unix-like shell used as a front end for Google search.
GoPubMed GoPubMed is a knowledge-based search engine for biomedical texts.
Guruji.com Guruji.com is an abandoned Indian Internet search engine that was focused on providing better search results to Indian consumers, by leveraging proprietary algorithms and data in the Indian context.
Harvester42 The Harvester42 is a meta search engine project hosted at KIT Karlsruhe Institute of Technology.
Heritage Microfilm Heritage Microfilm, Inc. is a preservation microfilm and microfilm digitization firm located in Cedar Rapids, Iowa.
Heritage Microfilm, Inc. Heritage Microfilm, Inc. (est.1997) is a preservation microfilm and microfilm digitization business located in Cedar Rapids, Iowa.
HighBeam Research HighBeam Research is a paid search engine and full text online archive owned by Cengage Learning (through its Gale subsidiary) for newspapers, magazines, academic journals, newswires, trade maga...
HotBot HotBot is a web search engine currently owned by Lycos.
Human search engine A human search engine is a search engine that uses human participation to filter the search results and assist users in clarifying their search request.
IFACnet IFACnet, the KnowledgeNet for Professional Accountants, is the global, multilingual search engine developed by the International Federation of Accountants (IFAC) and its members to provide profe...
Image meta search Image meta search is a type of search engine specialised on finding pictures, images, animations etc.
Imense Imense Ltd is a UK-based company that develops technology for Content-based image retrieval and automatic image annotation.
ImHalal I'mHalal.com was a search engine build on top of social-cultural, ethical and islamic values.
Inbenta Inbenta is a company based in Barcelona, Spain which focuses on data search technologies.
Info.com Info.com is a metasearch engine which provides results from leading search engines and pay-per-click directories, including Google, Yahoo!, Bing.com, Ask, LookSmart, About and Open Directory.
Informedia Digital Library The Informedia Digital Library is an ongoing research program at Carnegie Mellon University to build search engines and information visualization technology for many types of media.
Infoseek Infoseek was a popular search engine founded in 1994 by Steve Kirsch.
InfoSpace Infospace provides metasearch and private-label Internet search services for consumers and businesses.
InfoTrac InfoTrac is a family of full text databases of content from academic journals and general magazines, of which the majority are targeted to the English-speaking North American market.
Inktomi Inktomi Corporation was a California company that provided software for Internet service providers.
Inktomi (company) Inktomi Corporation was a California company that provided software for Internet service providers.
Istorez iStorez, Inc. is an online shopping service that aggregates store specials, promotions and deals from leading brands and stores, and brings them to a single online destination.
ISYS Search Software ISYS Search Software was an Australian supplier of enterprise search software for information access, management, and re-use.
Itpints Itpints is a search engine created by Pixelatom and launched in February 2009.
iWon IWon.com is a free casual game site and web portal that offers the chance to win cash and prizes through activities such as clicking through links or playing online games.
Ixquick Ixquick is a metasearch engine based in New York and the Netherlands.
Judy's Book Judy's Book is a social search tool and online yellow pages used by millions of registered users across the United States to find the best deals, discounts and coupons and to locate local busine...
JumpStation JumpStation was the first WWW search engine that behaved, and appeared to the user, the way current web search engines do.
Jumptap Jumptap, Inc., was a startup headquartered in Boston, Massachusetts in the mobile industry.
Kaltix Kaltix Corp., commonly known as Kaltix is a personalized search engine company founded at Stanford University in June 2003 by Sep Kamvar, Taher Haveliwala and Glen Jeh.
Kartoo KartOO was a meta search engine which displayed a visual interface.
KidRex KidRex is a child-safe search engine powered by Google Custom Search.
Knowledge Graph The Knowledge Graph is a knowledge base used by Google to enhance its search engine's search results with semantic-search information gathered from a wide variety of sources.
Krugle Krugle is a search engine that allows computer programmers and other developers to search Open Source repositories to locate open source code, and quickly share the code with other programmers ...
LawMoose LawMoose launched in September, 2000, is believed to have been the first U.S. regional legal search engine operating its own independent web crawler.
LeapFish LeapFish.com was a search aggregator that retrieved results from other portals and search engines, including Google, Bing and Yahoo!, and also search engines of blogs, videos etc.
Leit.is Leit.is an Icelandic internet search engine developed by the corporation Leit.is ehf.
Lexxe Lexxe is an Internet search engine that uses natural language processing for queries (semantic search).
LINE Corporation LINE Corporation is an ISO certified Japanese company, a subsidiary of South Korean company Naver Corporation.
Local search (Internet) Local search is the use of specialized Internet search engines that allow users to submit geographically constrained searches against a structured database of local business listings.
Lycos Lycos, Inc. is a search engine and web portal established in 1994.
Macroglossa Visual Search Macroglossa is a visual search engine based on the comparison of images, coming from an Italian Group.
MagPortal MagPortal.com is a search engine and directory for finding online articles.
Mahalo.com Mahalo.com is a web directory (or human search engine) and Internet-based knowledge exchange (question and answer site) launched in alpha test in May 2007 by Jason Calacanis.
Mail Online MailOnline (also known as dailymail.co.uk) is the website of the Daily Mail, a tabloid newspaper in the United Kingdom, and of its sister paper The Mail on Sunday.
Maktoob Maktoob Inc. (Arabic: مكتوب) is an Arab Internet services company, founded in Amman, Jordan known for being the first Arabic/English email service provider.
Manta (web site) Manta.com is an online small business service directory and search engine which provides small businesses with networking information.
Masterseek Masterseek Corp. is a B2B (Business to Business) search engine founded in Denmark in 1999.
Merobase Merobase is a software search engine that allows developers to find, share and reuse software components from the Internet.
MetaCrawler MetaCrawler was a metasearch engine that blends the top web search results from Google, Yahoo!, Bing (formerly Live Search), Ask.com, About.com, MIVA, LookSmart and other popular search engines.
MetaLib MetaLib is a federated search system developed by Ex Libris Ltd. MetaLib conducts simultaneous searches in multiple, and often heterogeneous, information resources such as library catalogs, jour...
Metasearch engine A metasearch engine is a search tool that sends user requests to several other search engines and/or databases and aggregates the results into a single list or displays them according to their...
Methabot Methabot is a scriptable web crawler designed for flexibility and speed.
Microsoft Pinpoint Microsoft Pinpoint is a searchable online directory of software applications and professional services based on Microsoft technologies.
mnoGoSearch mnoGoSearch is an open source search engine for Unix-like computer systems written in C. It is distributed under the GNU General Public License and designed to organize search within a website,...
Mobile search Mobile search is an evolving branch of information retrieval services that is centered on the convergence of mobile platforms and mobile phones, or that it can be used to tell information about ...
Movie.io Movie.io are a search engine for movies witch was realeased on 1.
Movies.io Movies.io is a search engine for movies which was released on 1 June 2012, founded by Amos Wenger and Frederic Jacobs.
mozDex mozDex was a project to build an Internet-scale search engine with free and open source software technologies like Nutch.
Ms. Dewey Ms. Dewey was a viral marketing campaign started by Microsoft in October 2006.
Multimodal search Multimodal search is a type of search that uses different methods to get relevant results.
Multisearch Multisearch is a multitasking search engine which includes both search engine and metasearch engine characteristics with additional capability of retrieval of search result sets that were previo...
Munax Munax is a Swedish company which develops LHPE (Large Hyper-Parallel Execution) search engine systems.
Myriad Search Myriad Search was a metasearch engine developed by Aaron Wall which offered ad-free search results.
Najdi.si Najdi.si is a Slovenian search engine and web portal created by Interseek.
Nate Nate is a South Korean web portal, developed by SK Communications.
Naver Naver (Hangul: 네이버) is a popular search portal in South Korea, which holds a market share of over 70% at least since 2011, continuing to 2013.
Nestoria Nestoria is a vertical search engine for real estate.
Neuroscience Information Framework The Neuroscience Information Framework is a repository of global neuroscience web resources, including experimental, clinical, and translational neuroscience databases, knowledge bases, atlases,...
Newslookup Newslookup.com is a news search engine, news headline, news feed and news services provider established in 2000, by Michael Kynast.
NexTag Nextag is a price comparison service website.
Nextbio NextBio is a privately owned software company that provides a platform for drug companies and life science researchers to search, discover, and share knowledge across public and proprietary data.
Northern Light Group Northern Light Group, LLC is a company specializing in strategic research portals, enterprise search technology, and text analytics solutions.
NOZA, Inc. NOZA, Inc., formerly a privately held Santa Barbara, California-based company established in 2006 by Craig Harris, was acquired in 2010 by Blackbaud.
Nutch Nutch is an effort to build an open source web search engine based on Lucene and Java for the search and index component.
Omgili Omgili (acronym for "Oh My God I Love It") is a vertical search engine that focuses on "many to many" user generated content platforms, such as, forums, disc...
Onkosh Onkosh (أنكش) was an Orascom Telecom product that functioned as a search portal for the Arabic Web.
OOplala OOplala is the leading OOp Torrent provider for P2P users.
Open Text Corporation OpenText Corporation is headquartered in Waterloo, Ontario, Canada and is Canada's largest software company.
OpenSearch OpenSearch is a collection of technologies that allow publishing of search results in a format suitable for syndication and aggregation.
Organic search engine An organic search engine is a manually operated search service which uses a combination of computer algorithims and human researchers to look up a search query.
Outline of search engines Search engine – information retrieval system designed to help find information stored on a computer system.
PeekYou PeekYou is a people search engine that indexes people and their links on the web.
PeerPong PeerPong Launched in 2009, they set out to find a better way for people to access expertise across social media.
Personalization Personalization involves using technology to accommodate the differences between individuals.
Personalized search Personalized search refers to search experiences that are tailored specifically to an individual's interests by incorporating information about the individual beyond specific query provided.
Picsearch Picsearch is a Swedish company which develops and provides image search services for large websites.
Pikimal Pikimal is a website, designed as a decision engine that uses consumer input to provide specialized search results for products and categories.
Pimp My Search Pimp My Search was a novelty website to create a Google lookalike webpage, replacing the word "Google" with a word or phrase of the user's choice.
Pipilika "Pipilika" (পিপীলিকা) is a web search engine operated from Sylhet, Bangladesh.
Pixsta Pixta Ltd. is a UK-based image and video search company founded in 2006 by Alexander Straub, Dr. Daniel Heesch and David Williams.
Podscope Podscope was the first consumer search engine to create a 'spoken word index' for podcasts.
Polycola PolyCola, previously known as GahooYoogle, is a metasearch engine that searches multiple search engines at once was created by Arbel Hakopian.
PolySpot PolySpot is a subsidiary of CustomerMatrix enterprise search software company.
Pongr Pongr is a mobile photo marketing and technology company that develops image recognition, artificial intelligence and direct response advertising tools for companies of all sizes to monetize the...
Powerset (company) Powerset is a Microsoft owned company based in San Francisco, California, that, in 2006, was developing a natural language search engine for the Internet.
ProQuest NewsStand ProQuest NewsStand is a digital, online database of newspaper articles produced by the ProQuest company.
Proximic Proximic is a platform that provides real-time data services for contextual data for online advertisers and agencies.
Q-go RightNow Technologies, Inc. was a U.S. software company that developed customer relationship management (CRM) software for enterprise organizations.
Quaero Quaero (Latin for I seek) is a European research and development program with the goal of developing multimedia and multilingual indexing and management tools for professional and general pu...
Quepasa Quepasa Corporation is a US-based social media technology company catering to Latin Audiences worldwide.
Qwant Qwant is a French search engine launched on February 16, 2013 as a beta version.
Qwiki Qwiki is a New York City based startup automated video production company.
Rambler (portal) Rambler (Рамблер) is a Russian search engine and one of the biggest Russian web portals.
RecipeBridge RecipeBridge is a vertical search engine for recipes, founded by Milwaukee based entrepreneurs Andy Theimer and Bill Brennan.
Rectifi Rectifi was an online search engine which channels profited it earns to charity.
reegle reegle is an internet search engine specifically covering the fields of renewable energy and energy efficiency.
RightNow Technologies RightNow Technologies, Inc. was a U.S. software company that developed customer relationship management (CRM) software for enterprise organizations.
Rollyo Rollyo was a Yahoo!-powered search engine which allowed users to register accounts and create search engines that only retrieve results from the websites and blogs they want to include in their ...
Rome2rio rome2rio is a multimodal transport search engine that launched in April 2011.
RushmoreDrive RushmoreDrive was launched in April 2008 and was the first search engine for the Black community.
SAPO (company) SAPO (Portuguese for toad), Servidor de Apontadores Portugueses, is a brand and subsidiary company of the Portugal Telecom Group.
Schoolr Schoolr is a front-end academic directory that features frequently used third-party search engines and resources from Google, Wikipedia, Reference.com, Acronym Finder, Wolfram Alpha, Yahoo! Babe...
Science.gov Science.gov is a web portal and specialized search engine.
Sciencenet Sciencenet is a distributed search engine at KIT – Liebel-Lab for scientific knowledge.
ScientificCommons ScientificCommons is a project of the University of St. Gallen Institute for Media and Communications Management.
Scitopia Scitopia.org is a free federated, vertical search portal that enables users to explore the collective content of 21 science and technology societies – the research most cited in scholarly work a...
Search-based application Search-based applications (SBA) are software applications in which a search engine platform is used as the core infrastructure for information access and reporting.
Search.ch search.ch is a search engine and web portal for Switzerland.
Searchers (search engine) Searchers launched to the public in 2005 with the aim of developing a British alternative to US internet search engines serving the UK. Searchers focuses on returning results relevant to UK user...
SearchMe SearchMe was a visual search engine based in Mountain View, California.
SearchTeam SearchTeam.com is a collaborative search and curation engine.
SeatGeek SeatGeek is a website that provides search and price forecasting for consumers purchasing sports, concert, and theater tickets on the secondary ticket market.
Seekda seekda is an Austrian company headquartered in Vienna/Austria, having branch offices in Innsbruck/Austria and representative offices in Germany/Bavaria, Switzerland, Croatia, Latvia and in the U...
Seeks Seeks is a Free Software/open source project licensed under the Affero General Public License version 3 (AGPLv3).
SeeqPod SeeqPod was a search and recommendation engine specifically for indexing and finding playable search results including audio, video, podcasts and Wikipedia articles that are publicly accessible...
Selection-based search A selection-based search system is a search engine system in which the user invokes a search query using only the mouse.
Semantic search Semantic search seeks to improve search accuracy by understanding searcher intent and the contextual meaning of terms as they appear in the searchable dataspace, whether on the Web or within a c...
Sesam Sesam was a Scandinavian internet search engine developed by the media corporation Schibsted.
Seznam.cz Seznam.cz (or just Seznam, which means list in English) is web portal and search engine in the Czech Republic.
Shodan (website) Shodan is a search engine that lets you find specific types of computers (routers, servers, etc.) in the internet using a variety of filters.
ShopWiki ShopWiki is an Internet shopping search engine founded in 2005 and launched in early 2006.
Simpli Simpli was an early search engine that offered disambiguation to search terms.
Singingfish Singingfish was an audio/video search engine that powered audio video search for Windows Media Player, WindowsMedia.com, RealOne/RealPlayer, Real Guide, AOL Search, Dogpile, Metacrawler and Sing...
SmartMatch SmartMatch is a proprietary intelligent search engine that searches résumés and other information about job applicants and matches that information with job descriptions.
SmealSearch SmealSearch (now BizSeer) was a web portal, search engine and digital library for academic business documents that was originally hosted at the defunct eBusiness Research Center at the Pennsylva...
Social engine A social engine is a hybrid between a Social Network and a Search Engine.
Sogou.com Sogou.com is a Chinese search engine which can search text, images, music, and maps.
Songza Songza is a free music streaming and recommendation service for Internet users in North America.
Soso (search engine) Soso.com is a Chinese search engine owned by Tencent Holdings Limited, which is well known for its other creation QQ Games and QQ. Soso.com is ranked as the 33rd most visited website in the wor...
Soso.com Soso.com is a Chinese search engine owned by Tencent Holdings Limited, which is well known for its other creation QQ Games and QQ. Soso.com is ranked as the 33rd most visited website in the wor...
Spelling suggestion Spelling suggestion is a feature of many computer software applications used to suggest plausible replacements for words that are likely to have been misspelled.
Sphinx (search engine) Sphinx is a free software/open source Fulltext search engine designed to provide full-text search functionality to client applications.
Spock (website) Spock is a vertical search engine or entity search engine on people.
Sproose Sproose is a consumer search engine launched in August 2007 by founder Bob Pack.
Surchur Surchur was a realtime discovery and search engine launched on May 1, 2008.
Surface Web The surface Web (also known as the Clearnet, the visible Web or indexable Web) is that portion of the World Wide Web that is indexable by conventional search engines.
Swoogle Swoogle is a search engine for Semantic Web ontologies, documents, terms and data published on the Web.
SwoopThat.com SwoopThat.com is an online textbook price comparison service.
Tafiti Tafiti was an animated search engine launched by Microsoft Corp. and Jackson Fish Market to showcase Silverlight animation and video player.
Tagoo Tagoo - Russian media search engine, created by Russian company - Tagoo.
Taptu Taptu is a social media and technology company that builds platforms, tools and applications that enable highly personalized creation, curation, recommendation, search, discovery, management, co...
TinEye TinEye is a reverse image search engine developed and offered by Idée, Inc., a company based in Toronto, Canada, which was founded by Leila Boujnane and Paul Bloore in 1999.
TipTop Technologies TipTop Technologies offers a real-time web, social search engine with a unique platform for semantic analysis of natural language.
Topic-Sensitive PageRank Topic-Sensitive PageRank (commonly referred to as TSPR) is a context-sensitive ranking algorithm for web search developed by Taher Haveliwala while at Stanford University, and thought to be used...
TorSearch TorSearch is a search engine that indexes pages to help people find website content in websites located on the Tor network; these websites have neither domain names nor IP addresses ...
Travel website A travel website is a website on the world wide web, that is dedicated to travel.
Trexy Trexy is an Internet metasearch engine established in early 2006.
Trovit Trovit is a vertical search engine for classifieds (jobs, cars, real estate, products and rentals).
Truveo Truveo is a search engine for Web video, based in San Francisco and operated by AOL. Truveo was founded in 2004 by Timothy Tuttle and Adam Beguelin.
Twing Twing.com was a search engine specializing in internet forum content, located in Jersey City, New Jersey, with data centers around the world.
Ultimate Research Assistant (search engine) The Ultimate Research Assistant is an Internet search engine and research tool using text mining and multi-document summarization techniques to generate a hypertext summary of relevant content c...
Upsnap UpSNAP is the name of both a mobile-oriented search engine and the company that runs the search engine.
VConnect VConnect is a local search engine and an information service provider company located at Surulere, Lagos, Nigeria.
Veronica (search engine) Veronica is a search engine system for the Gopher protocol, developed in 1992 by Steven Foster and Fred Barrie at the University of Nevada, Reno.
Vertical search A vertical search engine, as distinct from a general web search engine, focuses on a specific segment of online content.
Video search engine A video search engine is a web-based search engine which crawls the web for video content.
Viewzi Viewzi was a search engine company based in Dallas, Texas that developed a highly visual experience that tailored the way users look at information based on what they are looking for.
Virtual Office Website A Virtual Office Website (VOW) is a web site that is used to conduct business activities.
Visibility Scorecard A Visibility Scorecard is the analysis of a collection of known elements (such as meta tags, file formats, code efficiency) that search engines rank websites upon using a scorecard technique.
Visual search engine A Visual Search Engine is a search engine designed to search for information on the World Wide Web through the input of an image or a search engine with a visual display of the search results.
Volunia Volunia was a web search engine (or social search engine) created by Massimo Marchiori.
W3Catalog W3 Catalog was a very early web search engine, first released on September 2, 1993 by developer Oscar Nierstrasz at the University of Geneva.
Walhello Walhello is a spider based search engine developed in the Netherlands for the whole Internet.
Wazap! Wazap! is a vertical search engine, video game database and social networking site to distribute gaming news, rankings, cheats, downloads and reviews.
Web search engine A web search engine is a software system that is designed to search for information on the World Wide Web.
WebCrawler WebCrawler is a metasearch engine that blends the top search results from Google Search and Yahoo! Search.
WebInfo WebInfo is a Finnish search engine and web directory such as Spreto specialized in the Finnish content.
Whoosh Whoosh is a fast, free software search engine implemented in pure Python.
Whova Whova (is a suite of software and services related to people's information.
Wide area information server Wide Area Information Servers or WAIS is a client–server text searching system that uses the ANSI Standard Z39.50 Information Retrieval Service Definition and Protocol Specifications for L...
Wikia Search Wikia Search was a short-lived free and open-source Web search engine launched by Wikia, a for-profit wiki-hosting company founded in late 2004 by Jimmy Wales and Angela Beesley.
Wikiseek Wikiseek was a search engine that indexed Wikipedia pages and pages that were linked to from Wikipedia articles.
WiseNut WiseNut was a crawler-based search engine owned by Looksmart.
World Wide Web Wanderer The World Wide Web Wanderer, also referred to as just the Wanderer, was a Perl-based web crawler that was first deployed in June 1993 to measure the size of the World Wide Web.
World-Wide Web Worm The World-Wide Web Worm was the first search engine for the World-Wide Web, being developed in September 1993 by Oliver McBryan at the University of Colorado.
YaCy YaCy is a free distributed search engine, built on principles of peer-to-peer (P2P) networks.
Yahoo! Yahoo! Inc. is an American multinational Internet corporation headquartered in Sunnyvale, California.
Yahoo! Search Yahoo Search is a web search engine, owned by Yahoo Inc., and was the second largest search directory on the web by query volume, at 6.42%, after its competitor Google at 85.35% and before Baid...
Yamli Yamli.com (يملي "he Dictates") is an Internet start-up focused on addressing the problems specific to the Arabic web.
Yandex Yandex (Яндекс) is a Russian Internet company which operates the largest search engine in Russia with about 60% market share in that country.
Yandex Search Yandex Search is a web search engine owned by Russian corporation Yandex.
Yasni Yasni is a German people search engine, operated by yasni GmbH.
Yebol Yebol was a vertical "decision" search engine that had developed a knowledge-based, semantic search platform.
Yippy Clusty was a metasearch engine developed by Vivísimo which offered clusters of results.
YossarianLives! YossarianLives! is a metaphorical search engine, a type of Internet search engine.
Youdao Youdao (有道) is a search engine released by Chinese internet leviathan, NetEase (網易) in 2007.
Yummly Yummly is a semantic web search engine for food, cooking and recipes.
Zanran Zanran is a search engine for data and statistics.
Ziplocal Ziplocal is a company which provides local search information across the United Statesthrough traditional print yellow pages, ziplocal.com and mobile apps for iPhone and Adnroid.
Zoombu Zoombu is an online door-to-door journey search engine for Europe.
Zuula Zuula is a metasearch engine that provides search results from a number of different search engines.