Search engines, including

web search engine A search engine is a software system that provides hyperlinks to web pages, and other relevant information on World Wide Web, the Web in response to a user's web query, query. The user enters a query in a web browser or a mobile app, and the sea ...

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. A selection-based search system allows the user to search the internet for more information about any keyword or phrase cont ...

engines,

metasearch engine A metasearch engine (or search aggregator) is an online information retrieval tool that uses the data of a web search engine to produce its own results. Metasearch engines take input from a user and immediately query search engines for results. ...

s, desktop search tools, and

web portal A web portal is a specially designed website that brings information from diverse sources, like emails, online forums and search engines, together in a uniform way. Usually, each information source gets its dedicated area on the page for displayin ...

s and

vertical market A vertical market is a market in which vendors offer goods and services ''specific'' to an industry, trade, profession A profession is a field of Work (human activity), work that has been successfully professionalized. It can be defined a ...

websites have a search facility for

online database In computing, a database is an organized collection of Data (computing), data or a type of data store based on the use of a database management system (DBMS), the software that interacts with end users, Application software, applications, and ...

By content/topic

General

† Main website is a portal

Geographically localized

Accountancy

* IFACnet

Business

* Business.com * Daily Stocks * GenieKnows (United States and

Canada Canada is a country in North America. Its Provinces and territories of Canada, ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, making it the world's List of coun ...

) *

GlobalSpec GlobalSpec is a technology services company which provides a search engine of engineering and industrial products, indexing over 180 million parts divided into 2,300,000 product families, from over 24,000 manufacturer and distributor catalogs. ...

* Nexis (Lexis Nexis) * Thomasnet (

United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...

)

Computers

* Shodan (website)

Content

* Openverse, search engine for open content.

Dark web

* Ahmia

Education

General: *

Chegg Chegg, Inc., is an American Educational technology, education technology company based in Santa Clara, California. It provides homework help, digital and physical textbook rentals, textbooks, online tutoring, and other student services. The comp ...

Academic materials only: * BASE (search engine) *

Google Scholar Google Scholar is a freely accessible web search engine that indexes the full text or metadata of Academic publishing, scholarly literature across an array of publishing formats and disciplines. Released in Beta release, beta in November 2004, th ...

Internet Archive Scholar The Internet Archive Scholar is a scholarly search engine created by the Internet Archive in 2020. , it contained over 35 million research articles with full text access. The materials available come from three different forms: content identif ...

Library of Congress The Library of Congress (LOC) is a research library in Washington, D.C., serving as the library and research service for the United States Congress and the ''de facto'' national library of the United States. It also administers Copyright law o ...

Semantic Scholar Semantic Scholar is a research tool for scientific literature. It is developed at the Allen Institute for AI and was publicly released in November 2015. Semantic Scholar uses modern techniques in natural language processing to support the resear ...

Enterprise

Apache Solr Solr (pronounced "solar") is an open-source enterprise-search platform, written in Java. Its major features include full-text search, hit highlighting, faceted search, real-time indexing, dynamic clustering, database integration, NoSQL features ...

Jumper 2.0 ApexKB (formerly Jumper), is a discontinued free and open-source script for collaborative search engine, collaborative search and knowledge management. It is powered by a shared enterprise bookmarking engine that is a fork of KnowledgebasePublishe ...

: Universal search powered by

Enterprise bookmarking Enterprise bookmarking is a method for Web 2.0 users to tag, organize, store, and search Bookmark (digital), bookmarks of both web pages on the Internet and data resources stored in a distributed database or fileserver. This is done collectively an ...

Oracle Corporation Oracle Corporation is an American Multinational corporation, multinational computer technology company headquartered in Austin, Texas. Co-founded in 1977 in Santa Clara, California, by Larry Ellison, who remains executive chairman, Oracle was ...

: Secure Enterprise Search 10g * Q-Sensei: Q-Sensei Enterprise *

Swiftype Swiftype is a search and index company based in San Francisco, California, that provides search software for organizations, websites, and computer programs. Notable customers include AT&T, Dr. Pepper, Hubspot and TechCrunch. History Swiftype w ...

: Swiftype Search * TeraText: TeraText Suite

Events

* Tickex (US, UK) * TickX (UK, Ireland, Spain, Netherlands)

Food and recipes

* RecipeBridge:

vertical search A vertical search engine is distinct from a general web search engine, in that it focuses on a specific segment of online content. They are also called specialty or topical search engines. The vertical content area may be based on topicality, medi ...

engine for

recipe A recipe is a set of instructions that describes how to prepare or make something, especially a dish (food), dish of prepared food. A sub-recipe or subrecipe is a recipe for an ingredient that will be called for in the instructions for the main r ...

s * Yummly: semantic recipe search

Genealogy

* Mocavo.com: family history search engine

Job

* Adzuna (UK) * CareerBuilder (US) *

Craigslist Craigslist (stylized as craigslist) is a privately held American company operating a classified advertisements website with sections devoted to jobs, housing, for sale, items wanted, services, community service, gigs, résumés, and discussi ...

(by city) * Dice.com (US) *

Glassdoor Glassdoor is an American website where current and former employees anonymously review companies, operated by the company of the same name. In 2018, the company was acquired by the Japanese company Recruit Holdings (owner of Indeed) for US$1. ...

(US) *

Indeed Indeed, Inc. is an American worldwide employment website for job listings launched in November 2004. It is an independent subsidiary of multinational company Recruit Holdings. It is headquartered in Austin, Texas, and Stamford, Connecticut, w ...

(US) * JobStreet.com (

Southeast Asia Southeast Asia is the geographical United Nations geoscheme for Asia#South-eastern Asia, southeastern region of Asia, consisting of the regions that are situated south of China, east of the Indian subcontinent, and northwest of the Mainland Au ...

, Japan, India) * Monster.com (US), (India) * Naukri.com (India) * Rozee.pk (Pakistan) *

Yahoo! HotJobs Yahoo HotJobs, formerly known as hotjobs.com, was an online job search engine. It provided tools and advice for job seekers, employers, and staffing firms. It was acquired by Yahoo in 2002, then acquired by Monster Worldwide, owner of its major ...

(Countrywise subdomains, International)

Legal

Google Patents Google Patents is a search engine from Google that indexes patents and patent applications. Contents Google Patents indexes more than 87 million patents and patent applications with full text from 17 patent offices, including: * United States P ...

* Lexis (Lexis Nexis) * Quicklaw *

WestLaw Westlaw is an Computer-assisted legal research, online legal research service and proprietary database for lawyers and legal professionals available in over 60 countries. Information resources on Westlaw include more than 40,000 databases of ca ...

Medical

* Bing Health * Bioinformatic Harvester * CiteAb (antibody search engine for medical researchers) *

EB-eye EBI Search is a scalable text search engine that provides easy and uniform access to the biological data resources and services hosted at the European Bioinformatics Institute (EBI). The original and primary purpose of EBI Search is to provide ...

EMBL-EBI's Search engine *

Entrez The Entrez () Global Query Cross-Database Search System is a federated search engine, or web portal that allows users to search many discrete health sciences databases at the National Center for Biotechnology Information (NCBI) website. The NCB ...

(includes

PubMed PubMed is an openly accessible, free database which includes primarily the MEDLINE database of references and abstracts on life sciences and biomedical topics. The United States National Library of Medicine (NLM) at the National Institute ...

) * GenieKnows * Healia * Healthline * Nextbio (Life Science Search Engine) * PubGene * Searchmedica *

WebMD WebMD is an American corporation which publishes online news and information about human health and well-being. The WebMD website also includes information about drugs and is an important healthcare information website and the most popular cons ...

Mobile/handheld

* Taganode Local Search Engine (now defunct) * Taptu: taptu mobile/social search (now defunct)

News

* Bing News *

Google News Google News is a news aggregator service developed by Google. It presents a continuous flow of links to articles organized from thousands of publishers and magazines. Google News is available as an app on Android, iOS, and the Web. Google ...

* Priyo *

Yahoo! News Yahoo News (stylized as Yahoo! News) is a news website that originated as an internet-based news aggregator by Yahoo. The site was created by Yahoo software engineer Brad Clawsie in August 1996. Articles originally came from news services such ...

People

* Whitepages * FindFace * PeekYou * Spokeo * Zabasearch.com *

ZoomInfo ZoomInfo Technologies Inc. is an American software and data company which provides data for companies and business individuals. Their main product is a commercial search-engine, specialized in contact and business information. From the intern ...

Real estate/property

* HotPads.com *

Realtor.com Realtor.com is a real estate listings website operated by the News Corp subsidiary Move, Inc. and based in Austin, Texas. It is the second most visited real estate listings website in the United States as of 2021, with over 100 million monthly a ...

* Redfin * Rightmove * StuRents.com * Trulia *

Zillow Zillow Group, Inc., or simply Zillow, is an American tech real-estate marketplace company that was founded in 2006 by co-executive chairmen Rich Barton and Lloyd Frink, former Microsoft executives and founders of Microsoft spin-off Expedia; Spen ...

* Zoopla

Television

TV Genius TV Genius was a United Kingdom-based software company that specialize in TV search engines, TV recommendation engines, and Electronic program guide, EPG development. It was acquired by Red Bee Media in August 2011, and by Ericsson in July 2013 ...

Travel

* Bustripping

Video

* Sepia Search

Video games

* Wazap

By data type

Search engines dedicated to a specific kind of information

Datasets

* Google Dataset Search

Maps

* Baidu Maps *

Bing Maps Bing Maps (previously Live Search Maps, Windows Live Maps, Windows Live Local, and MSN Virtual Earth) is a web mapping service provided as a part of Microsoft's Bing suite of search engines and powered by the Bing Maps Platform framework which al ...

Géoportail Géoportail is a comprehensive web mapping service of the French government that publishes maps and geophysical aerial photographs from more than 90 sources for France and its territories. The service, first developed by two public agencies (the ...

Google Maps Google Maps is a web mapping platform and consumer application offered by Google. It offers satellite imagery, aerial photography, street maps, 360° interactive panorama, interactive panoramic views of streets (Google Street View, Street View ...

* MapQuest * Nokia Maps *

OpenStreetMap OpenStreetMap (abbreviated OSM) is a free, Open Database License, open geographic database, map database updated and maintained by a community of volunteers via open collaboration. Contributors collect data from surveying, surveys, trace from Ae ...

* Petal Maps * Qwant Maps *

Tencent Maps Tencent Maps is a desktop and web mapping service application and technology provided by Tencent, offering satellite imagery, street maps, street view and historical view perspectives, as well as functions such as a route planner for traveling ...

* Wikiloc * WikiMapia *

Yahoo! Maps Yahoo! Maps was a free online mapping portal provided by Yahoo! Functionality included local weather powered by The Weather Channel, printing maps, and local reviews powered by Yelp. It shut down on June 30, 2015. For a time in 2019, Yahoo! Maps ...

* Yandex Maps

Multimedia

* Bing Videos * blinkx * FindSounds * Google Images * Google Video * Munax's PlayAudioVideo * Openverse, search engine for open content. * Picsearch * Podscope * SeeqPod * Sepia Search * Songza * Tencent Video * TinEye *

* Veveo * Yahoo! Video

Price

* Bing Shopping *

Google Shopping Google Shopping, formerly Google Product Search, Google Products and Froogle, is a Google service created by Craig Nevill-Manning which allows users to search for products on online shopping websites and compare prices between different vendor ...

(formerly Google Product Search and Froogle) *

Kelkoo Kelkoo is a European price comparison service founded in France in 1999. In 2000 Kelkoo merged with Zoomit, Dondecomprar and Shopgenie. The company was bought by Yahoo! on 26 March, 2004. and was subsequently sold by Yahoo to Jamplant, a Briti ...

* MySimon * PriceGrabber * PriceRunner * Pronto.com * Shopping.com * Shopzilla * TickX

Source code

* Google Code Search *

Koders Koders was a search engine for Open-source software, open source code. It enabled software developers to easily search and browse source code in thousands of projects posted at hundreds of Open-source software, open source software repository, repo ...

* Krugle

BitTorrent

These search engines work across the

BitTorrent protocol BitTorrent is a communication protocol for peer-to-peer file sharing (P2P), which enables users to distribute data and electronic files over the Internet in a decentralized manner. The protocol is developed and maintained by Rainberry, Inc., ...

. * BTDigg *

Isohunt isoHunt was an online torrent files index and repository, where visitors could browse, search, download or upload torrents of various digital content of mostly entertainment nature. The website was taken down in October 2013 as a result of a l ...

- discontinued * Mininova - discontinued *

The Pirate Bay The Pirate Bay, commonly abbreviated as TPB, is a free searchable online index of Film, movies, music, video games, Pornographic film, pornography and software. Founded in 2003 by Swedish think tank , The Pirate Bay facilitates the connection ...

* TorrentSpy - discontinued * Torrentz - discontinued

Blog

* Amatomu *

Bloglines Bloglines was a web-based news aggregator for reading Web syndication, syndicated feeds using the RSS and Atom (standard), Atom formats. Users could subscribe to the syndicated feeds for free using a web browser. Bloglines offered an application ...

* IceRocket *

Mojeek Mojeek ( ) is a UK-based search engine known for its focus on privacy and independence from other major search indexes. Established with a commitment to user privacy, Mojeek operates its own crawler-based index, setting it apart from search en ...

(substack only) * Munax * Regator *

Technorati Technorati is a search engine and a publisher advertising platform. Technorati launched its ad network in 2008. In 2016, Synacor acquired Technorati for $3 million. The company's core product was previously an Internet search engine for search ...

By model

Search appliances

* Fabasoft * Google Search Appliance - discontinued * Munax * Searchdaimon * Thunderstone

Desktop search engines

Desktop search engines listed on a light purple background are no longer in active development.

Child-safe search engines

* Kiddle * KidRex * KidzSearch * QwantJunior * Swisscows

Metasearch engines

Natural language

* Ask.com *

Bing Bing most often refers to: * Bing Crosby (1903–1977), American singer * Microsoft Bing, a web search engine Bing may also refer to: Food and drink * Bing (bread), a Chinese flatbread * Bing (soft drink), a UK brand * Bing cherry, a varie ...

(Semantic ability is powered by Powerset) * Lexxe * Perplexity.ai * SearchGPT

Open-source search engines

* ht://Dig *

Isearch Isearch is open-source text retrieval software first developed in 1994 by Nassib Nassar as part of the Isite Z39.50 information framework. The project started at the Clearinghouse for Networked Information Discovery and Retrieval (CNIDR) of th ...

* Lemur Toolkit & Indri Search Engine *

Lucene Apache Lucene is a free and open-source search engine software library, originally written in Java by Doug Cutting. It is supported by the Apache Software Foundation and is released under the Apache Software License. Lucene is widely used as a ...

* mnoGoSearch *

Nutch Apache Nutch is a highly extensible and scalable Open-source license, open source web crawler software project. Features Nutch is coded entirely in the Java (programming language), Java programming language, but data is written in language-ind ...

* Openverse * Recoll * Searchdaimon * SearXNG * Seeks *

Sphinx A sphinx ( ; , ; or sphinges ) is a mythical creature with the head of a human, the body of a lion, and the wings of an eagle. In Culture of Greece, Greek tradition, the sphinx is a treacherous and merciless being with the head of a woman, th ...

SWISH-E SWISH-E stands for ''Simple Web Indexing System for Humans - Enhanced''. It is used to index collections of documents ranging up to one million documents in size and includes import filters for many document types. SWISH-E is based on SWISH, de ...

* Terrier Search Engine * Xapian * YaCy * Zettair

Web search engine

* Gigablast * Grub

Enterprise search

P2P search engines

Privacy search engines

* Brave Search *

DuckDuckGo DuckDuckGo is an American software company focused on online privacy whose flagship product is a search engine named DuckDuckGo. Founded by Gabriel Weinberg in 2008, its later products include browser extensions and a custom DuckDuckGo web ...

HotBot HotBot is a Canadian web search engine owned by HotBot Limited, whose key principal is Kristen Richardson. The search engine was initially launched in North America in 1996 by ''Wired'' magazine. During the 1990s, it was one of the most popul ...

* Kagi * MetaGer *

Qwant Qwant () is a French search engine launched in February 2013. Qwant says that it is focused on privacy, does not track users, reselling personal data, or bias the display of search results. Its results are similar to Microsoft's Bing search en ...

* SearXNG * Startpage.com * Swisscows * You.com

Social and environmental focus

Ecosia Ecosia (derived from "Ecology, eco" and "utopia") is a non-profit tech organisation based in Berlin, Germany. It runs its namesake internet search engine, which launched on 7 December 2009 to coincide with 2009 United Nations Climate Change Con ...

Semantic browsing engines

Social search engines

* ChaCha Search * Delver *

Eurekster Eurekster was a New Zealandbased company that built social search engines for use on websites, which were referred to as "swickis" (for "search plus wiki"

Facebook Facebook is a social media and social networking service owned by the American technology conglomerate Meta Platforms, Meta. Created in 2004 by Mark Zuckerberg with four other Harvard College students and roommates, Eduardo Saverin, Andre ...

Search * Mahalo.com * Rollyo *

Sproose Sproose was a consumer search engine launched in August 2007 by founder Bob Pack. Sproose provided web search results from partners including MSN, Yahoo! and Ask.com. Sproose intended to have better-quality results than algorithmic search engin ...

* Trexy

Usenet

Google Groups Google Groups is a service from Google that provides discussion groups for people sharing common interests. Until February 2024, the Groups service also provided a gateway to Usenet newsgroups, both reading and posting to them, via a shared user ...

(formerly

Deja News Google Groups is a service from Google that provides Internet forum, discussion groups for people sharing common interests. Until February 2024, the Groups service also provided a gateway to Usenet newsgroups, both reading and posting to them, vi ...

)

Visual search engines

* FindFace * Grokker * Macroglossa * TinEye * Viewzi

By popularity

Defunct or acquired search engines

* AlltheWeb (acquired by

Yahoo! Yahoo (, styled yahoo''!'' in its logo) is an American web portal that provides the search engine Yahoo Search and related services including My Yahoo, Yahoo Mail, Yahoo News, Yahoo Finance, Yahoo Sports, y!entertainment, yahoo!life, and its a ...

) *

AltaVista AltaVista was a web search engine established in 1995. It became one of the most-used early search engines, but lost ground to Google and was purchased by Yahoo! in 2003, which retained the brand, but based all AltaVista searches on its own sear ...

(acquired by

in 2003, shut down in 2013) * Bixee.com (India) (acquired by

Ibibo Ibibo Group is an online Indian travel organisation founded in January 2007 by Ashish Kashyap. The company is a subsidiary of MakeMyTrip (MMT) Limited, which owns a 100% stake in Ibibo Group. The group owns the B2C online travel aggregator G ...

) * Blekko (acquired by

IBM International Business Machines Corporation (using the trademark IBM), nicknamed Big Blue, is an American Multinational corporation, multinational technology company headquartered in Armonk, New York, and present in over 175 countries. It is ...

in 2015 for its use for Watson-based products) * BlogScope (acquired by Marketwire) *

BRS/Search BRS/Search is a full-text database and information retrieval system. BRS/Search uses a fully inverted indexing system to store, locate, and retrieve unstructured data. It was the search engine that in 1977 powered Bibliographic Retrieval Services ...

(now

OpenText OpenText Corporation (styled as opentext) is a global software company that develops and sells information management software. OpenText, headquartered in Waterloo, Ontario, Canada, is Canada's fourth-largest software company as of 2022, and r ...

Livelink ECM Discovery Server) * Btjunkie * Cuil (patents acquired by

Google Google LLC (, ) is an American multinational corporation and technology company focusing on online advertising, search engine technology, cloud computing, computer software, quantum computing, e-commerce, consumer electronics, and artificial ...

after shutdown) * DeepPeep * Direct Hit Technologies (acquired by

Ask Jeeves Ask.com (known originally as Ask Jeeves) is an answer engine, e-magazine, and former web search engine, operated by Ask Media Group. It was conceptualized and developed in 1996 by Garrett Gruener and David Warthen (based in Berkeley, Califo ...

in January, 2000) * Getit Infoservices Private Limited *

Google Answers Google Answers was an online knowledge market offered by Google, active from April 2002 until December 2006. History Google Answers' predecessor was Google Questions and Answers, which was launched in June 2001. This service involved Google ...

* GoPubMed * hakia *

IBM STAIRS The IBM Storage and Information Retrieval System, better known by the acronym STAIRS, was a program providing storage and online Full-text search, free-text search of text data. STAIRS ran under the OS/360 and successors, OS/360 operating system ...

Infoseek Infoseek (also known as the "big yellow") was an American internet search engine founded in 1994 by Steve Kirsch. Infoseek was originally operated by the Infoseek Corporation, headquartered in Sunnyvale, California. Infoseek was bought by The W ...

(acquired by

Disney The Walt Disney Company, commonly referred to as simply Disney, is an American multinational mass media and entertainment industry, entertainment conglomerate (company), conglomerate headquartered at the Walt Disney Studios (Burbank), Walt Di ...

) *

Inktomi Inktomi Corporation was an American Internet service provider (ISP) software developer based in Foster City, California. Customers included Microsoft, HotBot, Amazon.com, eBay, and Walmart. The company developed Traffic Server, a proxy se ...

Ixquick Startpage.com is a Dutch search engine website that highlights privacy as its distinguishing feature.ExpressVPN.com"Free Search Engines: What You're Looking For?" 19 January 2015, retrieved 5 April 2016. The website advertises that it allows u ...

(merged into Startpage) * Jubii * Kartoo * LeapFish * Lotus Magellan *

MetaLib MetaLib is a federated search system developed by Ex Libris Group. MetaLib conducts simultaneous searches in multiple, and often heterogeneous, information resources such as library catalogs, journal articles, newspapers and selected quality Inter ...

* mozDex * Munax * Myriad Search * Overture.com (formerly GoTo.com, now Yahoo! Search Marketing) * PubSub * RetrievalWare (acquired by

Fast Search & Transfer Microsoft Development Center Norway (known as FAST (Fast Search & Transfer ASA) before 2010) is a Norway, Norwegian company, founded in 1997 and based in Oslo, with offices located in Germany, Italy, Sri Lanka, France, Japan, the United Kingdom, ...

and now owned by

Microsoft Microsoft Corporation is an American multinational corporation and technology company, technology conglomerate headquartered in Redmond, Washington. Founded in 1975, the company became influential in the History of personal computers#The ear ...

) *

Scroogle Google's changes to its privacy policy on March 16, 2012, enabled the company to share data across a wide variety of services. These embedded services include millions of third-party websites that use AdSense and Analytics. The policy was wide ...

(Google Scraper) * Singingfish (acquired by AOL) * Soso * Speechbot *

Sphere A sphere (from Ancient Greek, Greek , ) is a surface (mathematics), surface analogous to the circle, a curve. In solid geometry, a sphere is the Locus (mathematics), set of points that are all at the same distance from a given point in three ...

(acquired by AOL) * Startpage (acquired by System1, an advertising company) * Tafiti (replaced by

Microsoft Bing Microsoft Bing (also known simply as Bing) is a search engine owned and operated by Microsoft. The service traces its roots back to Microsoft's earlier search engines, including MSN Search, Windows Live Search, and Live Search. Bing offers a ...

) * Volunia *

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 by Jimmy Wales and Angela Beesley. Wikia Search followed other experiments by Wikia into search engine technolog ...

(defunct) * WiseNut *

World Wide Web Worm The World Wide Web Worm (WWWW) was one of the earliest search engines for the World Wide Web (WWW). It was developed in September 1993 by Oliver McBryan at the University of Colorado as a research project. It is claimed by some to be the first se ...

References

External links

{{Web search engines

Search engines Search engines, including web search engines, selection-based search engines, metasearch engines, desktop search tools, and web portals and vertical market websites have a search facility for online databases. By content/topic Gene ...