Wikipedia:List of aids to Internet research

This page is designed to supplement Wikipedia:Reference desk and its seven subpages. It can have a number of uses.

• It provides resources to editors who have questions.
• It provides resources to editors who wish to answer the questions of other editors.
• It provides resources to editors who wish to start or expand articles in Wikipedia.

The following points are useful to anyone consulting this list.

• Inclusion on this list of online reference desks is not an endorsement.
• Organization of entries follows the list of Dewey Decimal classes.

These are the seven subpages of the Reference desk, and corresponding Dewey Decimal numbers.

• Wikipedia:Reference desk/Computing (000, 004, 005, 006)
• Wikipedia:Reference desk/Entertainment (780–799)
• Wikipedia:Reference desk/Humanities: Philosophy and psychology (100–199), Religion (200–299), Social sciences (300–399), and Literature (800–899)
• Wikipedia:Reference desk/Language (400–499)
• Wikipedia:Reference desk/Mathematics (510–519)
• Wikipedia:Reference desk/Science (500–509, 520–599) and Technology (600–699)
• Wikipedia:Reference desk/Miscellaneous (700–779, 900–999)

Computer science, information, and general works (000–099)

Computer science, knowledge, and systems (000–010)

Computer categories in general web directories

• Computers in the Best of the Web Directory
• Open Directory - Computers
• Computing and Computer Science | The WWW Virtual Library (See: World Wide Web Virtual Library.)
• Computers and Internet in the Yahoo! Directory

Directories of computer websites

• Computer Directory :: Hand Edited
• the Computer Portal.com - The Best Computer Sites!
• Computer Directory
• Online Computer Directory, Communications, Database, Programming

Websites of operating systems

(See also: List of operating systems, Category:Operating systems.)

• Microsoft Corporation: Software, Smartphones, Online, Games, Cloud Computing, IT Business Technology, Downloads (See: Category:Microsoft.)
• Apple (See: Category:Apple Inc.)
• Linux.com | The source for Linux information (See: Category:Linux.)
• Homepage | Ubuntu (See: Category:Ubuntu (operating system).)

International computing standards organizations

(See also: List of technical standard organisations, Category:Standards organizations.)

• Unicode Consortium
• World Wide Web Consortium (W3C)
• ICANN | Internet Corporation for Assigned Names and Numbers
• Internet Society (ISOC)

Typing foreign characters

• TypeIt - Type accent marks, diacritics and foreign letters online
• Online Keyboard • Multilingual • LEXILOGOS >>
• All about typing (Scroll down to "Contents".)
• Foreign Language Characters, Diacritics, Accent Marks, Computers, KeyBoard Help, kbh
• Penn State Computing with Foreign Symbols - Home
• Unicode character pickers
• Help Topics - Tavultesoft KeymanWeb Help
• Unicode Web Browser Keyboard
• Quillpad - Typing in Hindi has never been easier (also: Bengali, Gujarati, Kannada, Malayalam, Marathi, Nepali, Punjabi, Tamil, Telugu)
• Virtual Keyboard

Directories of application software

(See also: Application software, Category:Application software.)

• Apple - Web apps - All Categories
• MakeUseOf Directory
• iPhone apps and iPad apps | Appolicious ™ App Directory
• Twitdom » The Twitter Applications Directory
• Dropbox - Apps - Simplify your life

Social sciences (300–399)

(See also: Category:Society, Category:Society-related lists.)

Society categories in general web directories

• Society in the Best of the Web Directory
• Open Directory - Society
• Society and Culture in the Yahoo! Directory

Social sciences, sociology, and anthropology (300–309)

• Main Page - NativeWiki
• Home - Population Reference Bureau (See: Population Reference Bureau.)
• Intentional Communities Directory - ecovillages communes cohousing (See: Category:Intentional communities.)

General statistics (310–319)

Directories of statistics

• UNdata
• Google Public Data Explorer
• ChartsBin.com - Visualize your data
• kmlfactbook.org
• Many Eyes

Economics (330–339)

Directories of small businesses

(See also: Category:Small business.)

• Small Business Directory - Local / World wide - Small Business Big World - Almost Free Listings for Small Businesses
• Small Business Directory -- Search businesses online
• asmallbusinessdirectory.com
• Business Directory, Business Directories, Small Business Directory

Directories of thrift stores

(See also: Charity shop.)

• TheThriftShopper.Com National Thrift Store Directory Listing Charity Resale Shops
• Resale Shop Directory, Consignment Shop List, Thrift Store Locator, Shop Clothing Online
• Consignment , ConsignmentShops.com, a list of consignment shops, resale shops, thrift shops and antique shops.

Labor economics (331)

• Recruiters and Headhunters - find executive search firm, headhunter or executive recruiter
• Dictionary of Occupational Titles DOT - Job Descriptions - www.occupationalinfo.org
• Non Profit Organizations Search | Find Non Profit Organizations | NonProfitList.org (United States)
• Nonprofit Career Network
• Volunteer, work, intern, organize, hire and connect. Change the world - idealist.org
• Home Page * ResumeWiki - Community Edited Resumes
• Free Resumes Directory - Sample Resumes - The complete collection of Resumes
• Directory of Resumes CV - Directory of jobs, careers and employment opportunities.
• LabourStart: Where trade unionists start their day on the net. (multilingual)

Cooperatives (334)

(See also: Cooperative, Category:Cooperatives.)

• Coop Directory Service: Find A Natural Food Coop Near You

Miscellaneous economics websites

• ShoppingCenters.com - Your Source for shopping center, mall, and retail information
• Etsy - Your place to buy and sell all things handmade, vintage, and supplies
• trendwatching.com: Consumer trends and insights from around the world
• Springwise | New business ideas, trends and innovation

Law (340–349)

(See also: Index of law articles, Category:Law, Category:Legal websites.)

Legal categories in general web directories

• Law in the Best of the Web Directory
• Open Directory - Society: Law
• Law | The WWW Virtual Library
• Law in the Yahoo! Directory

Directories of legal websites

• Lawyer, Lawyers, Attorney, Attorneys, Law, Legal Information - FindLaw
• The Legal 500 - The Clients Guide to the best Law firms, top Lawyers, Attorneys, Advocates, Solicitors and Barristers.

Miscellaneous legal websites

• Judgepedia
• Lawlibrary

Public administration (350–359)

• USA.gov: The U.S. Government's Official Web Portal
• U.S. Government Telephone and E-mail Directories: USA.gov

Education (370–379)

(See also: Category:Education, Category:Education-related lists, Category:Educational websites, Comparison of educational websites that are directed to persons 17 or under.)

Education categories in general web directories

• Education in the Best of the Web Directory
• Open Directory - Reference: Education
• Education | The WWW Virtual Library
• Education in the Yahoo! Directory

Directories of education websites

• Find Colleges in USA - Find Colleges in Canada - Find Colleges in United Kingdom - Find Colleges Worldwide - Find Schools in USA
• Online Accredited Degrees | College & University Education Courses
• 4icu.org | World University Web Rankings (web rankings, NOT academic rankings)

Higher education (378)

(See also: Category:Lists of universities and colleges, Category:Universities and colleges.)

Directories of postsecondary institutions

• Directory of Postsecondary Institutions: Volume I: Degree-Granting Institutions, 1997
• Directory of Postsecondary Institutions: Volume II: NonDegree-Granting Institutions, 1997
• Online Degrees and Programs from Accredited Online Schools, Colleges and Universities
• Directory of Online Schools
• Online Education | Edvisors
• Online College Courses & Degrees - Your Online Directory to Distance Education

College and university search engines

• College & University Search Engines.
• EducationUSA - Search for Colleges and Universities

Reviews of postsecondary institutions

• College Reviews by Students for Students - College Prowler
• GetEducated.com | Review, Rate, Rank & Compare Online Colleges & Degrees

Miscellaneous websites about higher education

• Students

Special education

• International Journal of Special Education
• Connections Kids Special Needs Directory (Dallas, TX)
• Special Needs Directory (San Francisco, CA)
• Special Needs Kids, Childrens Disability Products, information and services (in the UK)

Directories of lesson plans

• Lesson Plans Directory - Free Lesson Plans Worksheets, and Activities
• Free Lesson Plans for Teachers - Math Lesson Plans - Science Lesson Plans

Miscellaneous education websites

• Free PD Resources for Teachers: Teacher Professional Development Sourcebook Directory
• Homework Hero: Homework Assignments Online
• WikiEducator
• Memorize.com - Learn and Remember
• WhichCourse.com - Comparative directory of EFL/ESL teacher training and development courses

Language (400–499)

Language (400–409)

(See also: Lists of languages, Category:Lists of languages, Category:Language, Category:Languages.)

Language categories in general web directories

• Social Sciences Language and Linguistics in the Best of the Web Directory
• Open Directory - Science: Social Sciences: Linguistics
• Languages and Linguistics | The WWW Virtual Library
• Linguistics and Human Languages < Social Science in the Yahoo! Directory

Directories of language websites

• Travel Directory & Language Directory
• The Language Directory - Resources for learning languages
• Language and Resources Index Page
• Top20Languages.com - Online Directory for Languages.
• Free Online Lessons - Language Directory
• The Best Language Learning Resources, Tips and Advice Available on the Net
• Search - Language Course Finder
• Learn Indian languages

Education, research, related topics (407)

Directories of websites for learning specific languages

(See also: Category:Language acquisition.)

• English Schools Worldwide - Guide to English Language Schools & ESL Programs
• ESL Links - Learning English (See: Category:English as a second or foreign language.)
• http://www.spanish-language.org/directory/
• Chinese Language Link Directory

Directories of text corpora

(See also: Category:Corpus linguistics.)

• Corpus resources: Corpora and electronic text databases
• Corpora List
• Corpora
• Google Ngram Viewer
• CORPORA: 45-425 million words each: free online access

Linguistics (410–419)

(See also: Category:Linguistics, Category:Linguistics lists.)

Writing systems (411)

(See also: Category:Writing.)

• Symbols.Net - Directory of Signs, Glyphs and Symbols
• Omniglot - the guide to languages, alphabets and other writing systems
• Typedia: A Shared Encyclopedia of Typefaces

Dictionaries (413)

(See also: Lists of dictionaries, Category:Dictionaries, List of online dictionaries, Category:Online dictionaries, Category:Glossaries, Category:Wikipedia glossaries.)

Directories of dictionaries and glossaries

• A-Z-Dictionary.com
• Glossary Directory - Glossaries & Dictionaries Directory
• alphaDictionary * Free English Online Dictionary * Word Games
• OmegaWiki (multilingual dictionary)

Phonology (414)

(See also: Category:Phonetics, Category:Phonology.)

Pronunciation websites

• Forvo: the pronunciation guide. All the words in the world pronounced by native speakers
• Free online Dictionary of English Pronunciation - How to Pronounce English words
• Free Online Pronunciation Guides with Instant Sound: English + 9 Languages

Other languages (490–499)

Miscellaneous languages (499)

• Main Page - UniLang Wiki
• Lojban

Directories of language websites by global region

(See also: Category:Languages by geographical region.)

• Learn Indian languages
• AfricanLanguages.com - African Languages info
• Native American Language Net: Preserving and promoting indigenous American Indian languages
• Languagegeek : Native Languages
• Australian languages
• Welcome to the PNG Language Resource site

Endangered languages

(See also: Lists of endangered languages, Category:Endangered languages.)

• Enduring Voices Project, Endangered Languages, Map, Facts, Photos, Videos -- National Geographic
• Living Tongues Institute For Endangered Languages
• The Center for Advanced Research on Language Acquisition (CARLA) : Less Commonly Taught Languages

Online language identifiers

(See also: Language identification, Wikipedia:Language recognition chart.)

• Automatic online language identifier (102 languages supported)
• Language Identifier, Language Classifier, Language Guesser

Directories of translation and translators

(See also: Translation, Category:Translation, Category:Translators.)

• Translators, Translation Services, Translation Jobs - Translatorsbase.com
• Translation portal: translation jobs, translation agencies, freelance translators and much more
• TranslatorsCafe.com — a Place for Translators, Interpreters, Voice Talents, Other Language Professionals and Their Clients.
• Freelance translators & Translation companies | ProZ.com
• GoTranslators: the specialised translation directory. A translator for every occasion.
• Directory of Translators - Qualified, Professional Translators

Language websites, miscellaneous

• Omniglot - the guide to languages, alphabets and other writing systems
• Ethnologue, Languages of the World (See: Ethnologue.)
• Online Etymology Dictionary (See: Online Etymology Dictionary.)
• OneLook Dictionary Search
• WALS - The World Atlas of Language Structures (See: World Atlas of Language Structures.)
• MuturZikin - Language maps of the World
• Search - Language Course Finder
• Digital Dialects language learning games
• Google Ngram Viewer
• OnlineStylebooks.com (a stylebook search engine)

Science (500–599)

(See also: Category:Science websites.)

Science categories in general web directories

• Science in the Best of the Web Directory
• Open Directory - Science
• Natural Sciences and Mathematics | The WWW Virtual Library
• Science in the Yahoo! Directory

Directories of science websites

• Science Search Engine & Directory | SciSeek
• Element List - Science Websites for Scientists
• Best Science Directory Niche Directory of Top Sites on Science, Technology, Health
• Science Central
• SRW Directory | Science, Engineering, and Technology Resources, Reference Information, Products and Services Directory
• Science-Directory.net
• SRW Directory | Science, Engineering, and Technology Resources, Reference Information, Products and Services Directory

Mathematics (510–519)

(See also: Category:Mathematics, Category:Mathematics-related lists, Mathematics Subject Classification, Category:Mathematics websites.)

Mathematics categories in general web directories

• Math in the Best of the Web Directory
• Open Directory - Science: Math
• Mathematics in the Yahoo! Directory

Directories of mathematical websites

• The Math Forum Internet Mathematics Library
• Math on the Web Index
• MathGuide
• Mathematics Resources on the Internet - (Math Links by Bruno Kevius)

Web pages about mathematical mistakes

(See also: Mathematical fallacy.)

• Glossary of Mathematical Mistakes
• The Glossary of Mathematical Mistakes
• mathmistakes.info Home Page
• Common Errors in College Math

Mathematics websites, miscellaneous

• The On-Line Encyclopedia of Integer Sequences™ (OEIS™) (in many languages)
• The Prime Pages (prime number research, records and resources)

Astronomy and allied sciences (520–529)

(See also: Category:Astronomy websites.)

Directories of astronomy websites

• astronomyLINKS - astronomy and space directory, links, booksmarks and more.
• Astronomicals Astronomy Directory: Main

Physics (530–539)

(See also: Category:Physics lists, Category:Physics.)

Directories of physics websites

• Top20Physics.com - Online Directory for Physics Education.
• spectrum of physics - directory
• Physics Online Resources

Life sciences (570–579)

(See also: List of biology websites, Category:Biology websites.)

Directories of biology websites

• Biology Directory - Biology Resources Online
• BioScience Links
• Life Science Log ("Most important weekly life sciences news headlines")

Species search engines

• iSpecies ("A species search engine")
• Gwannon.com - The natural species search engine

Directories of botany websites

• Know Plants

Ecology (577)

Directories of environmental websites

(See also: List of environmental websites, Category:Environmental websites.)

• Environment Web Directory
• THE DIRECTORY OF ENVIRONMENTAL WEB SITES, ONLINE ABRIDGED EDITION 2011
• Green Directory, Solar Power, Energy Efficiency, Climate Change, Global Warming - EcoWho
• Environment Directory - DotEnvironment.net
• The Big Eco Directory - The best eco-directory for all things green.
  • (directory of acoustic ecology websites) ACOUSTIC ECOLOGY | Home
  • (directory of climate change websites) Climate Ark: Climate Change and Global Warming Portal, News Feed and Search
  • (directory of radioactive waste websites) RadWaste.org

Search engines for environmental websites

• Green Maven- The Green Search Engine
• EcoEarth.Info Environment Portal
• Ecosia - The green search

Science websites, miscellaneous

• The International Plant Names Index - home page
• Iowa State Weed Science Online (by: Iowa State University, Ames, IA)
• FishBase : A Global Information System on Fishes
• Avibase - The World Bird Database (in many languages)

Technology (600–699)

(See also: Category:Technology websites.)

Directories of technology websites

• Hi-Tech Directory - High Technology and Sciences Business Web Site Listings

Medical sciences; medicine (610–619)

(See also: Category:Medical websites.)

Directories of medical websites

• Online Healthcare and Medical Portal - directory index for medical resources, healthcare and health blogs
• Health Information Directory | Medical Websites & Fitness Resources
• Your Source for all Chinese Medicine and Acupuncture Needs
• Medicine Directory | Medicine Directory, Medicine Guide, Medication Information
• Medical Directory
• Healthcare and Medical Directory
• Medical and General Health Directory
• Medical Directory
• eHealth Sites Health Directory | Guide to Health & Wellness Resources
• HealthEcho.com - Guide to reliable health information
• davidrothman.net » List of Medical Wikis

Directories of online medical journals

• LONG LIST Online Medical Journals, American Medical Journals, some free
• Free Medical Journals | by Amedeo.com

Agriculture (630–639)

(See also: Category:Agriculture-related lists, Category:Agriculture.)

Directories of agricultural websites

• Agsites is the largest Outdoor World, Agriculture and Weather information directory

Web pages about mistakes in science and engineering

(See also: List of science and engineering blunders.)

• Whoops! Blunders and Mistakes of Science and Engineering.
• Science Mistakes: When Science Goes Wrong: Science Channel
• Why Most Published Research Findings Are False by John P. A. Ioannidis

Medical resources, miscellaneous

• Retraction Watch
• Grogono's Acid-Base Tutorial
• Medical Mnemonics .com: World's Database of Medical Mnemonics
• PogoFrog... a Medical Search Engine (" jumps over the layman-focused clutter")
• UpToDate Inc. ("Helping Clinicians Provide the Best Patient Care")
• Main Page - wikidoc (in English, Spanish, French, Polish, Russian, Romanian, Simplified Chinese, and Turkish)
• Wrong Diagnosis
  • Types of Medical Mistakes - WrongDiagnosis.com

Arts (700–799)

(See also: Category:Arts, Category:Arts-related lists, Entertainment, Category:Entertainment, Category:Entertainment websites.)

Entertainment categories in general web directories

• Arts Information and Resources in the Best of the Web Directory
• Open Directory - Business: Arts and Entertainment
• The Arts | The WWW Virtual Library
• Entertainment in the Yahoo! Directory

Directories of entertainment websites

• iBaller Entertainment Directory - High Quality Entertainment Sites
• Music-Sites.net - Your Music-Directory
• Music Website Directory - Links To Bands, Concerts, Instruments And More
• MusicFanLinks : A directory with 32,000 music websites for 3,300 artists and bands
• Celebrity Websites Directory

Photography and photographs (770–779)

Directories of photography websites

(See also: Category:Photography websites.)

• Photo Links - Photography Directory Project
• Library of Photography. A Photography Resource Site.
• Photographic Libraries
• photolinks.ch : photography links : photographer websites : photo directory
• Photography Websites
• Photographers Index is the Internet Directory of Photographers Worldwide

Music (780–789)

(See also: Category:Music, Category:Music-related lists, Category:Music portals.)

Music categories in general web directories

• Music in the Yahoo! Directory
• Open Directory - Arts: Music

Directories of music websites

• MusicMoz - Open Music Project
• Classic Cat - the free classical music directory
• Guitar-directory.com free score for guitar , tabs, notes (in English and French)
• Musicians Gallery - Two decades of service
• Children's Music Workshop - Music Education Services

Virtual piano keyboards

(See also: Musical keyboard, Category:Keyboard instruments.)

• VIRTUAL KEYBOARD - PIANO
• Flash Piano - The Method Behind the Music

History, geography, and biography (900–999)

History (900–909)

(See also: Category:History websites.)

History categories of general directories of websites

• History in the Yahoo! Directory
• Open Directory - Society: History

Directories of history websites

• Best of History Web Sites

Directories of genealogy websites

(See also: Category:Genealogy websites.)

• Welcome to Cyndi's List

Geography and travel (910–919)

(See also: Category:Geography, Category:Geography-related lists, Category:Travel websites.)

Directories of geography websites

• Geography World
• The Internet Geographer - Web Resources for School Geography

Travel and tourism categories of general directories

• Open Directory - Recreation: Travel
• Travel and Transportation in the Yahoo! Directory

Directories of travel and tourism websites

• Travel and Tourism Directory
• Travel Directory Tourism Directory Vacation Directory Hotels Tours and agents websites listings
• International Travel Directory Search Website | Free Submit Vacation Web Site URL | Packages and Guides
• Travel-Directory.org - International Tourism and Travel Guide
• Tourism Offices Worldwide Directory
• Europe Travel Directory | Travel and tourism websites Europe | Best travel banner advertising

Geographic representations of earth (912)

Dynamic maps

• Earth and Moon Viewer
• Wind Map (contiguous United States)
• Plane Finder – Flight Radar | Aircraft Tracker | Live Flight Tracking

See also

• Wikipedia:List of online reference desks
• Wikipedia:List of online reference desks/Directories
• Wikipedia:List of online reference desks/General
• Wikipedia:List of online reference desks/Computing
• Wikipedia:List of online reference desks/Entertainment
• Wikipedia:List of online reference desks/Humanities
• Wikipedia:List of online reference desks/Language
• Wikipedia:List of online reference desks/Mathematics
• Wikipedia:List of online reference desks/Science
• Wikipedia:List of online reference desks/Miscellaneous
• Wikipedia:List of online reference desks/Non-English