List Of All Search Engines In WorldA web search engine is a software system that is designed to search for information on the World Wide Web.

The search results are generally presented in a line of results often referred to as search engine results pages (SERPs).

The information may be a mix of web pages, images, and other types of files.

Some search engines also mine data available in databases or open directories. Unlike web directories, which are maintained only by human editors, search engines also maintain real-time information by running an algorithm on a web crawler.

Web search engines work by storing information about many web pages, which they retrieve from the HTML markup of the pages.

These pages are retrieved by a Web crawler (sometimes also known as a spider) — an automated Web crawler which follows every link on the site. The site owner can exclude specific pages by using robots.txt.

Search Engine Name Description

Google – The world’s most popular search engine.

Bing Search: Microsoft’s entry into the burgeoning search engine market. Better late than never.

Yahoo! Search
Yahoo! Search: The 2nd largest search engine on the web (as defined by a September 2007

Nielsen Netratings

AltaVista: Launched in 1995, built by researchers at Digital Equipment Corporation’s Western Research Laboratory. From 1996 powered Yahoo! Search, since 2003 – Yahoo technology powers AltaVista.

Cuil: Cuil was a search engine website (pronounced as Cool) developed by a team of ex-Googlers and others from Altavista and IBM. Cuil, termed as the
‘Google Killer’ was launched in July, 2008 and claimed to be world’s largest search engine, indexing three times as many pages as Google and ten times that of MS. Now defunct.

Excite: Now an Internet portal, was once one of the most recognized brands on the Internet. One of the famous 90’s dotcoms. The Walt Disney Group’s search engine is now also an entire portal. Family-friendly!

HotBot was one of the early Internet search engines (since 1996) launched by Wired Magazine. Now, just a front end for and MSN.

AllTheWeb: Search tool owned by Yahoo and using its database, but presenting results differently.

Galaxy: More of a directory than a search engine. Launched in 1994, Galaxy was the first searchable Internet directory. Part of the Einet division at the MCC Research Consortium at the University of Texas, Austin

AOL Search Now powered by Google. It is now official.

Live Search
Live Search (formerly Windows Live Search and MSN Search) Microsoft’s web
search engine, designed to compete with Google and Yahoo!. Included as part of the Internet Explorer web browser.

Lycos: Initial focus was broadband entertainment content, still a top 5 Internet portal and the 13th largest online property according to Media Metrix.

GigaBlast was developed by an ex-programmer from Infoseek. Gigablast supports nested boolean search logic using parenthesis and infix notation. A unique search engine, it indexes over 10 billion web pages.

Alexa Internet
Alexa Internet: A subsidiary of Amazon known more for providing website traffic information. Search was provided by Google, then Live Search, now
in-house applicaitons run their own search.
Accounting For resources and information on Ifrs and Accounting.
Bit Torrent

Btjunkie: An advanced BitTorrent search engine. It uses a web crawler (similar to Google) to search for torrent files from other torrent sites and
store them in its database. It has over 1,800,000 active torrents.
Demonoid: A BitTorrent tracker set up by a person known only as Deimos. The website indexed torrents uploaded by its members. Taken offline after legal threats to its Hosting Company by CRIA.

FlixFlux: From its website, “The ultimate torrent site for films, combining bittorrent search results with film information, making it easy to find new film releases.”

isoHunt, a comprehensive BitTorrent search engine, P2P file search and community. Over 930,000 torrents in its database and 16 million peers from indexed torrents. Avg: 40 million searches per month.

Mininova: Successor to – a search engine and directory of torrent files. Anonymous uploads, no IP address logging of users, no porn. over 550,000 torrents in the database, over 4 Billion downloads.

The Pirate Bay
The Pirate Bay (aka “TPB”): Based in Sweden where torrent trackers are not illegal. No content is filtered or removed as long as it is clearly labeled.

TorrentSpy: Tracks externally hosted torrent files and provides a forum to comment on them. Integrates Digg-like user-driven content site ShoutWire’s feed into its front page.

Torrentz Search Engine
Torrentz: Tracks nearly 7 million torrents in a searchable portal.

Amatomu: The South African Blogosphere, sorted. Amatomu searches blogs with a distinct focus on South Africa.

Bloglines is a web-based news aggregator for reading syndicated feeds using the RSS and Atom formats. Sold to in 2005.
Blogperfect: Google Powered Blog Search

BlogScope: Search & analysis tool for the blogosphere being developed as part of a research project at the University of Toronto. Itcurrently tracks
over 23.5 million blogs with 275.6million posts.

IceRocket: An Internet search engine for searching blogs.

Sphere connects your current articles to contextually relevant content from your archives as well as from Blog Posts, Media Articles, Video, Photos, and Ads from across the Web.
Technorati catalogs over 112 million weblogs. Known as a kind of gauge for blog popularity as epitomized by its byline of “What’s percolating in blogs
now”. A supporter and contributor to open source software.

Free Book Search – Comprehensive book searching portal with more than 30 search engines in its archive, the site searches hundreds of digital libraries
and also scours the net for hidden books.

Google Book Search
Google Book Search The power of Google to find books. Google’s entry will not let you see full text if the copyright is still active in your jurisdiction.

AliBaba – Claims to be the world’s largest database of suppliers. Based in China, it is a marketplace of export and import, offers search, company
directory, catalog, trade leads and more.

Bankers' Almanac provides intelligent reference data solutions to the banking industry for payments, due diligence, risk assessment and financial
research. contains more than 400,000 listings within about 65,000 categories. Search results are preceded by four types of paid links.

Hoovers: A Dun & Bradstreet Company, maintains a database of over 23 million companies. Some information is provided free, other information is
available to paid subscribers. Good for company stock information.

Kompass: 2.3M companies in 70 countries referenced by 57.000 product
& service keywords 860.000 trade names and 4.6M executive names. A guide for worldwide sourcing.

Lexis Nexis
Lexis Nexis: LexisNexis claims to be the “world’s largest collection of public records, unpublished opinions, forms, legal, news, and business information”. Searchable archive of newspapers, public records & more.

ThomasNet - Powered by the Thomas Register
ThomasNet: Powered by the Thomas Register of American Manufacturers (The Big Green Books published since 1898). Catalogs over 650,000 American companies in 67,000 categories.
Email A mini-portal with a number of tools for searching email addresses. Find current, former email addresses, extract them from the

Nicado: Free to register, Search email addresses. The Nicado search engine allows registered users to search the Nicado database using an email
address or telephone number.

TEK search engine is an email-based search engine developed at the Massachusetts Institute of Technology. The search engine enables users to search the Web using only email. It is intended to be used by people with low internet connectivity.

AskMeNow: S3 – Semantic Search Solution for mobile telephones. AskMeNow offers a consumer mobile search utilizing proprietary technology & natural
language based interaction.

Autonomy: IDOL Server (Intelligent Data Operating Layer), K2 Enterprise (Formerly Verity), Ultraseek

Dieselpoint: Search & Navigation. Dieselpoint provides advanced full-text search with data navigation capability. It gives users highly relevant results not possible with either traditional search engines or SQL databases.

dt Search
dtSearch Engine (SDK), dtSearch Web. dtSearch provides simple to use but very powerful tools which create and maintain full text indexes of documents
and data. Terabytes of text can be searched.

Endeca’s search and information access solutions help enterprises find, analyze, and understand information. This is the Guided Navigation experience.

Exalead: exalead one: Enterprise. Exalead – Internet search engine, image
search engine, video search engine …
WebImagesWikipediaVideoMore » · Advanced search. 8 billion pages indexed to date.

Expert System Sp. A.
Expert System Sp. A. (Cogito) is a pioneer in developing semantic technologies to understand and manage unstructured information. Expert
System’s semantic approach enables rapid classification of information.

Fast Search & Transfer
Fast Search & Transfer: Enterprise Search Platform (ESP), RetrievalWare (formerly Convera)

Funnelback is an Internet and Enterprise search engine company offering a suite of search solutions, hosted solution for the web and a fully customisable enterprise solution for searching behind the firewall.

Google Search Applicance
Google Search Appliance: Make it as easy for employees to find information inside your organization as it is to find information on
Deploy a Google Search Appliance.

Microsoft Office SharePoint
Microsoft’s SharePoint Search Services: Microsoft Search Server (MSS) is an enterprise search platform from Microsoft, based on MS Office SharePoint
Server. MSS shares its architecture with Windows Search.

Northern Ligh SearchNorthern
Northern Light Search: Search articles from over 800 online news feeds and over 1,000 industry authority blogs.

Opent Text / Hummingbird
Open Text (Hummingbird): Enterprise Content Management (ECM) software solutions supporting +/- 20 million seats across 13,000 deployments in 114
countries and 12 languages worldwide.

Oracle Secure Enterprise Search 10g
Oracle Secure Enterprise Search 10g, a standalone product from Oracle, enables a secure, high quality, easy-to-use search across all enterprise
information assets.

SAP Trex
SAP NetWeaver Search and Classification (TREX) finds information in both structured and unstructured data. TREX provides SAP applications with
services for searching and classifying large collections of documents.

SAIC Teratext
TeraText Suite: Most data resides in semi-structured, primarily textual documents, not in structured, organizational repositories. Teratext is designed for text-rich data repositories.

Vivisimo Clustering Engine developed by scientists based upon a mathematical algorithm and deep linguistic knowledge to find relationships between search terms and bring them to light. (Web search: Clusty)

ZyLAB Technologies
ZyIMAGE Information Access Platform for government and corporates does
, archiving, searching, security, and context-specific content-management.

Omgili (Stands for "Oh My God I love it!"
Omgili (Oh My God, I Love It!): Find out what people are saying. Personal experiences, solutions to problems, ideas and opinions.

Cheatsearch - Find game cheats Finds Game Cheats from all over the web. Searches all of the most popular cheat sites and forums to find cheats for any game.

Genie Knows
Genie Knows: A division of IT Interactive Services Inc., a Canadian vertical search engine company concentrating on niche markets: health search, video games search, and local business directory search.

Wazap is a vertical search engine, video game database and social networking site that distributes gaming news, rankings, cheats, downloads and reviews.

ChaCha Search is a search engine that pays human “guides” to answer questions for users. This is a technique known as social searching.

Eurekster is a New Zealand company, with an office located in San Francisco, California, that builds social search engines for use on websites, the search engines are called swickis (search+wicki).

Mahalo is a web directory (or human search engine) – the project is in beta test. It differentiates itself from algorithmic search engines by tracking and building hand-crafted results for searches.

Rollyo is a Yahoo!-powered search engine which allows users to register accounts and create search engines that only retrieve results from the websites and blogs they want to include in their search results.

Trexy: Search trails are the click pathways you create while searching and finding information on 4,000+ search engines. Record and share your “search trails”. Easier searching of the “deep web”.

Wink: Wink People Search: Over 333,304,647 people on social networks and across the Web. Find people using name search, location, school, work,
interests, and more.
Accoona: A search engine that uses artificial intelligence. In addition to traditional searches, it allows business profile searches, and its signature “SuperTarget” feature. Partnered with China Daily, a large Chinese portal.

Alleba: Philippines search engine and highly organized directory of Filipino websites.

Ansearch: Australia/NZ/UK/US. Ansearch Ltd is involved in various online
media activities, including the search engine and the Soush online media network

Araby: Middle East – Arabic language search engine owned by the Maktoob Group, which owns the world’s largest online Arab community;
(Arabic only)

Baidu: China – The Google of China, Baidu is doing what no other Internet
company has been able to do: clobbering Google and Yahoo in its home market.

Daum: Korea – Daum is a popular web portal in South Korea which offers many Internet services including search, a popular free web-based e-mail, messaging service, forums, shopping and news.

Guruji India – an Indian Internet search engine that is focused on providing better search results to Indian consumers, by leveraging proprietary
algorithms and data in the Indian context.

goo: Japan – an Internet search engine and web portal based in Japan, which crawls and indexes primarily Japanese language websites. goo is operated by
the Japanese telecomm giant NTT.

Miner Hungary – a vertical search engine for searching blogs, videos and other Hungarian content on the internet. indexes about 129.000 blogs. Slovenia – a Slovenian search engine and web portal created by Interseek. It’s the most visited website in Slovenia. It uses a technology created by Interseek written entirely in Java

Naver: Korea – The undisputed number 1 search engine in Korea with over 16 million visitors and 1 billion page views per day.

Onet: Poland – Polish language web portal and search.

Onkosh: Middle East – Arabic language search.

Rambler: Russia -offers proprietary web search (Rambler Search), e-mail, rating and directory, media, ecommerce and other services to the Russian-speaking websurfer.

Rediff: India – India’s leading internet portal for news, mail, messenger,
entertainment, business, mobile, ecommerce, shopping, auctions, search, sports and more.

SAPO: Portugal – Portuguese language search based in Portugal and focused on Portugal.

Search.CH Switzerland – a search engine and web portal for Switzerland. Founded in 1995 as a regional search engine, later many other services were added: phonebook, SMS service. Acquired by the Swiss Post.

Sesam: Norway, Sweden – Based in Norway and focused on Norway and Sweden.

Walla (in Hebrew)
Walla!: Israel – Search the web in Hebrew with an Israel focus.

Yandex: Russia – Yandex (Russian: Я́ндекс) is a Russian search engine and one of the largest Russian Web portals. Yandex was launched in 1997.

Bixee (India)
Bixee (India): Comprehensive jobsearch for India.

Career Builder
Career Builder: The career builder website.

Craig's List
Craig’s List: is a centralized network of online communities, with free classified ads (with jobs, internships, housing, personals, services, community, gigs, resume, and pets categories) and forums.

CV Fox | Find resumes (CV's) from all over the World Wide Web
CV Fox: A search engine that is designed to hunt down and retrieve resumes (CV’s) from all over the Internet. Free to use, has become a popular tool with professional recruiters. is the #1 technology job board. For technology experts in areas such as Information Technology (IT), software, high tech, security, biotech, and more. Recently purchased (Canada) – High-paying jobs in Canada directly from employers’ websites. Seach new full-time jobs at 71000+ employers across Canada.

Hot Jobs (Yahoo): Find a job, post your resume, research careers at featured companies, compare salaries and get career advice on Yahoo!  HotJobs.

Incruit (Korea)
Incruit (Korea): Incruit claims to be the first Korean match making site between job seekers and companies and claims the first Korean Internet résumé database (June 1. 1998). A job ‘meta-search’ that scours job boards, newspapers and multiple sources with one search interface. (Poland) (Poland): Run by an American/Polish team of MBA’s, Poland’s leading job portal. Partially owned by European Media Group “Orkla Press” from Scandinavia.

JobsDB (Asia/Pacific)
JobsDB (Asia/Pacific): An Asia/Pacific focused job and recruitment site with databases dedicated to each country in the Asia/Pacific region.

JobPilot (Owned by Monster): A European job site now owned by Focused on European jobs with branches in a number of European countries.

Jobserve: UK based job search focused originally on IT Contracting work, but now covering multiple areas. Resume database, large number of job postings. The world’s largest resume database and online job search.

Naukri (India) (India): An India-focused job search engine. A job search engine that allows you to search jobs worldwide.

Simply Hired – Job search engine. Search over 5 million job listings and thousands of jobs sites to find a job you love.

StepStone (Europe): European online recruitment site based in Scandinavia with operations and subsidiaries througout Europe.

The Ladders (USA) Job search for professional jobs in the most comprehensive source of $100K+ jobs on the internet.

Canadian Law List
Canadian Law List: List of Canadian lawyers. Another LexisNexis company

FindLaw: Search FindLaw’s database of 1,000,000 lawyers to find attorneys in your area. All Topics in FindLaw are geared for the Public, by Subject Area.

The Lawyers List
The Lawyers’ List: Search for lawyers all across the United States.

Lexis Nexis
LexisNexis: Provider of legal, government, business and high-tech information sources. By subscription only.
® and LexisNexis, a division of Reed Elsevier Inc.

LexisNexis owned portal for searching for lawyers and things legal (Canada)

Géoportail: French Geographic portal. French language only.

Google Maps
Google Maps: Provides directions, interactive maps, and satellite/aerial imagery of the United States as well as other countries. Can also search by keyword such as type of business.

MapQuest (AOL) was founded in 1967 as Cartographic Services, a division of R.R. Donnelley & Sons & became an independent company in 1994. MapQuest
was acquired in 2000 by America Online, Inc.

Via Michelin
Michelin (Via Michelin): The European map specialists’ webpage includes standard map features with good European coverage.

LiveSearch Maps
Windows Live Maps: Enter an address, click enter… be sure to check out “Bird’s Eye View”. You can see a close-up aerial view of nearly any US Address and many foreign ones. Amazing.

Yahoo Maps
Yahoo Maps: Maps, directions, reverse-directions satellite view but no

Bioinformatic Harvester
Bioinformatic Harvester: From the Karlsruhe Institute of Technology, the Bioinformatic Harvester crawls and crosslinks dozens of bioinformatic sites and serves 10’s of thousands of pages daily.

Entrez (Pubmed)
Entrez (Pubmed): The life sciences search engine.

EB-Eye Bioinformatics Search
EB-Eye – EMBL-EBI’s (European Bioinformatics Institute): Open-source, high-performance, full-featured text search engine library written entirely in Java. Very fast access to the EBI’s data resources.

Genie Knows
Genie Knows: A division of IT Interactive Services Inc., a Canadian vertical search engine company concentrating on niche markets: health search, video games search, and local business directory search.

GoPubMed: Knowledge-based: GO – GeneOntology – Searching sorted – Social network and folsonomy for sciences.

Healia: The health search engine. From the site, “The high quality and personalized health search engine”.

KMLE King's Medical Library Engine
KMLE (King’s Medical Library Engine): Full American Heritage Stedman’s Medical Dictionary comprehensive resource including tens of thousands of audio pronunciations and abbreviation guides.

MeSH – Medical Subject Headings (GoPubMed): Knowledge-based.

SearchMedica: Professional Medical Search

WebMD: A source for health information, a symptom checklist, pharmacy information, and a place to store personal medical information.The leading US
Health portal, it scores over 40 million hits per month.

Brainboost: Now Type in a question in natural language, get an answer.

Clusty - The Clustering Search Engine
Clusty: The clustering search engine
powered by Vivisimo.

Dogpile: Brings together searches from
the top search engines including Google, Yahoo! Search,
Live Search,, About, MIVA, LookSmart, and more.

Excite: Now an Internet portal, was
once one of the most recognized brands on the Internet.
One of the famous 90’s dotcoms.

HotBot was one of the early Internet
search engines (since 1996) launched by Wired Magazine.
Now, just a front end for and MSN. Metasearch bringing together
results from the top search engines.

ixquick: Eliminate Big Brother! The
Ixquick metasearch engine permanently deletes all
personal search details gleaned from its users. Based in
the Netherlands, results come from 11 search engines.

Kayak: Metasearch for travel – search
140 travel sites all at once for the best deals and buy
tickets and make reservations direct.

Krozilo is a virtual web browser,
similar to My Yahoo!, iGoogle, Pageflakes, Netvibes, and
Microsoft Live. Krozilo uses AJAX and DHTML, so does not
require installation.

Mamma: “The Mother of All Search
Engines” – was one of the web’s first metasearch engines
(1996). Now owned by Copernic Inc. of Montreal, Canada, is a tier 2 search engine.

MetaCrawler is a metasearch engine that
blends the top web search results from Google, Yahoo!,
Live Search,,, MIVA, LookSmart and
other popular search engines.

MetaLib is a federated search system
developed by Ex Libris. MetaLib conducts simultaneous
searches in multiple resources such as library catalogs,
journal articles, newspapers and the web.

Mobissimo is a travel meta-search
website. Like other travel meta-search websites,
Mobissimo does not sell directly to the consumer but
consolidates travel offerings for a referral fee.

Myriad Search: Ad-free search lets
users select results from Ask Jeeves, Google, MSN, and
Yahoo! Select search depth and place bias on the search
results from the major search engines.

Sidestep: Searches over 200
travel-relates websites for airfares & the best deals on
airfare. Find cheap airfares, discount hotels, car
rentals and cruise deals to popular travel destinations

Surfwax offers a variety of tools for
finding, saving, and sharing information on the
Internet, including Nextaris, the law-article research
site LawKT, the SurfWax meta-search and SurfWax Scholar

Turbo 10 - Search the Deep Net is a metasearch engine
which uncovers information in the Invisible Web. Turbo10
can access information from 800 online databases and
searches 10 databases simultaneously.

WebCrawler was used to build the first
publicly-available full-text index of a subset of the
Web. WebCrawler® brings users the top search results
from Google, Yahoo!, Windows Live, Ask and other popular
search engines.

YouTube: Owned by Google, the web’s
largest media site. This search will search through the
videos of YouTube only. The famous book
searching portal also searches for audiobooks. This same
search will also find MP3 files.

FindSounds: Search engine to find any
kind of sound file: WAV, MP3, AIFF, AU – search by
sample rate and quality… a great place to find those
sound effects.

MetaCafe: Search videos hosted by
MetaCafe. If you are a producer of videos, you can get
paid for videos – the more viewers, the more cash.

Musgle: Music Search (mp3, wav, etc.):
Based upon a JavaScript that automatically inserts a
clever boolean search string into Google to return
catalogs of hidden MP3 and Music files.

PBS provides resources to air its
standard programming & also provides its audience with
multiple online archives of specific video programs. All
video archives can be searched for any spoken word
pronounced in them.

Picsearch: Search the web for images.
An image search service with more than 2,000,000,000

Podscope: “Introducing: the first
search engine that can find podcasts according to the
words spoken during them!”. Finds audio and video files
based upon actual content!

SpeechBot was a
search engine for audio & video. It was created by HP
Research, but unfortunately, is now offline.

Singing Fish
Singing Fish: An audio and video search
engine, now AOL media search.

Singing Fish
StrimOO: Video search engine. Find
videos on Youtube, Metacafe, Dailymotion and more with
one search.

TV Eyes
TVEyes: TVEyes makes Radio & TV
searchable by keyword, phrase or topic – just as you
would use a search engine for text. TVEyes is the first
company to deliver real-time TV and Radio search.

Veveo VTap
 Veveo / VTap: a video search platform
for mobile phones. Vtap is an offering from Veveo and it
on Apple Iphones as well as Microsoft Mobile-powered
phones. Search and hack
nearly a million webcams for free on the net. This
search uses Boolean scripting to uncover cams – public &
supposedly ‘private’. 🙂

Google News
Google News: News by Google. Search and
browse 4,500 news sources updated continuously.

MagPortal: Find individual articles
from many freely accessible magazines by browsing the
categories or using the search engine. You can mark
articles or find similar articles with several useful

NewsLookup Search thousands of
news sites by source region and media type. News
headlines updated continuously.

LexisNexis: Provider of legal,
government, business and high-tech information sources.
By subscription only.

Topix is a news aggregator which
categorizes news stories by topic and geography. It was
created by the founders of the Open Directory Project.
Knight Ridder, Tribune Company and Gannett own 75% of

Yahoo! News
 Yahoo News: Use Yahoo!
News to find breaking news, current
events, the latest headlines, news
photos, analysis & opinion on top stories,
world, business, politics…

DataparkSearch Engine is a
full-featured open source web-based search engine
released under

the GNU General Public License
and designed to
organize search within a website, group of websites,
intranet or local system.

Egothor is an Open Source,
high-performance, full-featured text search engine
written entirely in Java. It can be configured as a
standalone engine, metasearcher, peer-to-peer HUB, etc.

gonzui is a source code search engine
for accelerating open source software development – a
source code search engine that covers vast quantities of
open source codes available on the Internet.

Grub started back in 2000 with a simple
concept of distributing part of the search process
pipeline: crawling. Their website claims, “We want to
help fix search.”

ht://Dig is a complete world wide web
indexing and searching system for a domain or intranet.
ht://Dig is meant to cover the search needs for a single
company, campus, or web site.

The iSearch PHP search engine allows
you to build a searchable database for your web site.
Visitors can search for key words and a list of any
pages that match is returned to them.

Apache Lucene is a high-performance,
full-featured text search engine library written
entirely in Java. Full-text search & cross-platform.
Apache Lucene is an open source project available for
free download.

The Lemur Toolkit is a open-source
toolkit designed to facilitate research in language
modeling and information retrieval. Lemur supports a
wide range of industrial and research language

mnoGoSearch: Web search engine

Namazu is a full-text search engine
intended for easy use. Not only does it work as a small
or medium scale Web search engine, but also as a
personal search. (Namazu means “Catfish” in Japanese.)

Nutch is an effort to build an open source search engine
based on Lucene Java for the search and index component.
The fetcher (“robot” or “web crawler”) has been written
from scratch solely for this project.

OpenFTS: OpenSource Full Text Search is
an advanced PostgreSQL-based search engine that provides
online indexing of data and relevance ranking for
database searching.

Sciencenet: For scientific knowledge
based on YaCy Technology. Current search engines are
based on popularity and/or sponsored links. This makes
it difficult for scientists/students/teachers.
Sciencenet is the solution.

Sphinx is a free software search engine
designed with indexing database content in mind. It
currently supports MySQL and PostgreSQL natively. It is
distributed under the terms of the GNU General Public
License v2.

SWISH-Enhanced (Simple Web Indexing
System for Humans – Enhanced) is a fast, powerful,
flexible, free, and easy to use system for indexing
collections of Web pages or other text files.

Terrier is software for the rapid
development of Web, intranet and desktop search
engines.A modular platform for the rapid development of
large-scale Information Retrieval applications.

Wikia Search
Wikia Search: Jimmy Wales and
aim to create a an open source Internet
search engine, to which the community
can contribute.

Xapian is an Open Source Search Engine
Library, released under the

. It’s written in

, with bindings to allow use from







(so far!)

YaCy is a scalable personal web crawler
and web search engine. One YaCy installation can store
more than 10 million documents, but in a community of
search peers YaCy can provide a search index of
unlimited size.

 Zettair is a compact and fast text
search engine designed and written by the

Search Engine Group
at RMIT University.
It was formerly known as Lucy.

AnyWho – Part of AT&T, mostly a
telephone directory and reverse phone number directory. Explode is an easy way to
find friends and those with common interests, no matter
what social network or service they use.
is the best place to start a people search, as they have
a huge number of tools all in one place to find whomever
you seek.

InfoSpace: From their webpage, “The
yellow pages and white pages directory from
is the most convenient way to find
people and businesses.”

Linked In
LinkedIn is a business-oriented social
networking site used for professional networking. As of
March 2008, it had more than 20 million registered
users. An easy way to search for business people or

Spock advertises itself as, “The
world’s most accurate people search. Sign up to find
people you know.”

Wink is a free people search engine
that helps you find people at social networks, blogs,
and across the Web.

Zabasearch: Honestly free people
search. All US postal addresses & telephone numbers
revealed free. 3-times more listings than white pages
phone directory.

 ZoomInfo: Founded in 1999,
is a Web-based service that extracts
information about people and companies from millions of
published resources.
Answer The majority of their
results come from their own site.  Used to be offers free access to

millions of topics
from the world’s leading

Jeeves was designed to allow users to get answers to
questions posed in everyday, natural language.
was the first such commercial question-answering search
engine for the Web.

AskMeNow: Questions answered from your
mobile telephone. From their site, “We thought it would
be cool if we could get simple answers from our phone
anytime, anywhere — so we built AskMeNow.”

AskWiki Beta is a preliminary
integration of a semantic search engine that seeks to
provide specific answers to questions using information
from Wikipedia articles.

Brainboost: Now Type in a
question in natural language, get an answer.

eHow is an online knowledge resource
with more than 140000 articles and videos offering
step-by-step instructions on “how to do just about

Lexxe processes natural language
queries and delivers results in clusters by topic.
Queries can be keywords, phrases or short questions.

Lycos iQ is a community driven “human
search” site by Lycos Europe GmbH. Users on iQ can post
questions and answers in a similar manner to sites such
as Yahoo Answers, Google Answers and

Powerset is betting on the wisdom of
the crowds with a new online community site called
Powerset Labs. The company hopes the site will get
people to help build and improve its search engine.

Live QnA
Windows Live QnA: Ask any question and
get answers from people in the know. Try it. Real
answers. A little late to a crowded market, but Windows
is there now too.

Yahoo! Answers
Yahoo! Answers is a community-driven
knowledge market website launched by Yahoo!
that allows users to ask questions of other users and
answer other users’ questions. Over 60 million users.
Real Estate

For Sale By Owner .com Search homes being
sold by their owners without the intermediation of
realtors – save on commission. Comprehensive Property
Search for UK houses for sale, estate agents, house
prices and guides on buying and selling property and
mortgages advice.

Inman News: Real Estate News search.

Properazzi is an online real estate
search engine. Launched in March of 2007 by Yannick
Laclau, it allows users to search and view property
listings for Europe. The official site of the
National Association of Realtors. Search listed
properties all across America.

Rightmove: Find property online, search
a wide range of property for sale in various areas in
the UK, London and Overseas with Rightmove.

Trulia: Find property online, agents
can list their properties free, a robust real estate
portal for homebuyers and sellers.
Zillow provides free real estate
information including homes for sale, comparable homes,
historical sales, home valuation tools and more.

Skoolz - College and University Search
The College Search Searches
the webistes of colleges and universities worldwide, not
just the USA. If it is on a university website
somewhere, this search engine will find it.

Skoolz - College and University Search Search colleges and
universities. Use this search to search only the
websites of colleges – to find courses, information,
professors, curricula, etc.

Google University Search
Google University Search allows you to
search a specific site – one school at a time. The list
of schools is comprehensive. Skoolz searches them all at
once, Google University Search allows them to be
searched one at a time.

Scirus - Scientific Search

The most comprehensive scientific research tool on the
web. Over 450 million scientific items indexed at last
count. Search journals, scientists’ homepages,
courseware, pre-print server material, patents, more…

Google Product Search
Google Product Search: (Formerly
Froogle) use Google to search for the best deals on
products when you are shopping.

Kelkoo - A Yahoo! company
Kelkoo: A Yahoo! company. Also powers
Yahoo!Shopping in several countries.

MSN Shopping
MSN Shopping: Comparison
shopping made easy:
Offering 33,155,627
products from over 8,000 stores — all in one place — and
over 470 pages of shopping advice to help you make the
right choices.

My Simon
MySimon: Price Comparison Shopping

Nextag Comparison Shopping. Product
directory and search. Shows popular searches – what
others are searching for.

PriceGrabber “Comparison Shopping
beyond compare” Comparison shopping and search engine.

PriceRunner: Price Comparison website
and search engine

RetailMeNot: From the people who
brought you “BugMeNot”, check here before you buy for
discount coupons and promo codes. Why pay retail when
you can find coupons at RetailMeNot? A shopping directory and
search owned by eBay.

Shopwiki: Shopping directory and search
cataloguing some 241,416,304 products, and counting…

Shopzilla (Owned by Bizrate) helps
shoppers find, compare and buy anything, sold by
virtually anyone, anywhere. 20 million unique visitors
according to

. BizRate reviews stores and products. is a discovery shopping
search engine as opposed to a comparison search. The
search database includes over 150 Million products from
over 500,000 online stores.
Source Code

Google Code Search
Google Codesearch: Searches public
source code using a variety of parameters. searches for
javascripts, ajax, DHTML and JavaScript snippets from
all over the web. The fastest way to find a JavaScript.
Useful for web developers and webmasters.

JExamples analyzes the source code of
Java open source projects such as Ant, Tomcat and Batik
and loads them into a java examples database for easy
searching. Enter the name of a Java API Class and click

Koders Searces some 766,893,913 lines
of open source code. Securely searches private source
code. Create and share a custom code index that is
easily searched from Visual Studio, Eclipse or any


Code Search Engine
can turn your company’s code
and related development assets into a searchable,
shareable asset.

PHP Classes

Classes Repository:
Find the PHP class you need
at PHP Classes. The leading PHP site for coders.
Everything PHP!

Google Groups

Formerly Deja News, Google Groups lets
you post on usenet forums without using a mail client
via their easy-to-use web interface.

Grokker Visual Metasearch
Grokker visual Meta Search Engine lets
you choose which sites to search and presents the
results in multiple views – outline view, map view.

Kartoo visual Meta Search Engine
searches multiple search engines and presents its
results in a visual map.


Boodigo is an Adult Oriented Search Engine.

Buy – Social Media Optimization (SMO) Engine Domain For Sell
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