Comprehensive List of Online Knowledge Bases

This HTML page provides a categorized list of online encyclopedias and knowledge bases covering a wide range of topics. Links are live and point to the resources. Compiled from various sources for educational and research purposes.

General Encyclopedias

• Wikipedia - General interest, wiki – Free
• Everipedia - Editors create pages on any topic; anyone can edit with a free account – Free
• Citizendium - General interest, wiki – Free, copyleft
• Conservapedia - American conservative and Christian interests – Free
• Scholarpedia - Articles written by scholars and peer-reviewed – Free
• Encyclopædia Britannica - General interest – Limited free access, subscription for full
• Baidu Baike - Collaborative encyclopedia hosted by Baidu – Free
• EcuRed - General interest, Cuban – Free
• Encyclopedia.com - General interest – Free
• Baike.com - General interest, China’s largest wiki – Free
• Croatian Encyclopedia - General and national – Free
• Den Store Danske Encyklopædi - General interest – Free
• Ekşi Sözlük - General interest – Free
• Enciclonet - General interest – Limited free, subscription
• Enciclopedia Libre Universal en Español - Fork of Spanish Wikipedia – Free, copyleft
• Everything2 - Users submit articles on any topic – Free
• The Free Dictionary - Draws from various sources like Columbia Encyclopedia – Free
• Gran Enciclopèdia Catalana - General interest – Free
• Grand Larousse encyclopédique - General interest – Free
• Great Norwegian Encyclopedia - General interest – Free
• Great Russian Encyclopedia - General interest – Free
• Great Soviet Encyclopedia - General interest, Soviet viewpoint – Free
• Hamichlol - General interest for Haredim – Free
• Internetowa encyklopedia PWN - General interest – Free
• Krugosvet - General interest – Free
• Marathi Vishwakosh - General interest – Free
• Marefa - General interest – Free
• Mawdoo3 - General interest – Free
• Metapedia - Far right-wing encyclopedia – Free
• Nationalencyklopedin - General interest – Subscription
• Proleksis Encyclopedia - General and national – Free with registration
• Sarvavijnanakosam - General interest – Free

Biography

• Australian Dictionary of Biography - Notable Australians who have died – Free
• Croatian Biographical Lexicon - Notable figures from Croatian history – Free
• Deutsche Biographie - Notable German-speaking people – Free
• American National Biography - Notable Americans – Subscription
• Dictionary of Canadian Biography - Notable Canadians – Free
• Dictionary of Irish Architects - Irish architects 1720-1940 – Free
• Kdo byl kdo - Notable Czech and Slovak people – Free
• Österreichisches Biographisches Lexikon 1815–1950 - Notable Austrians – Free
• Oxford Dictionary of National Biography - Notable British figures – Subscription
• Dictionary of New Zealand Biography - Notable New Zealanders – Free
• Dizionario Biografico degli Italiani - Italian people – Free

Antiquities, Arts, and Literature

• Dictionary of Art Historians - Art historians and critics – Free
• Dictionary of Greek and Roman Antiquities - Cultural and historical Greek/Roman topics – Free
• Dictionary of Greek and Roman Biography and Mythology - Greek/Roman mythology and people – Free
• Dictionary of Greek and Roman Geography - Greek/Roman geography – Free
• Enciclopedia Dantesca - Devoted to Dante Alighieri – Free
• The Encyclopedia of Science Fiction - Guide to science fiction – Free
• Encyclopedia Mythica - Folklore, mythology, religion – Free
• Harper’s Dictionary of Classical Literature and Antiquities - Classical antiquity – Free
• The Literary Encyclopedia - Literature articles – Subscription
• Oxford Art Online - Visual arts – Subscription
• SIKART - Swiss visual art – Free

Regional Interest

• Agropedia - Agriculture in India
• Austria-Forum - Austrian culture
• Banglapedia - Bangladesh topics
• The Canadian Encyclopedia - Canada and Canadiana
• Chalo Chatu - Zambian culture and history
• Culinary Heritage of Switzerland - Swiss cuisine
• DEDI - Slovenian heritage
• Dictionary of Sydney - Sydney history and culture
• Encyclopaedia of Islam, 3rd edition - Islamic world
• Encyclopædia Iranica - Iranology
• Encyclopedia of Korean Culture - Korea topics
• Encyclopedia Sindhiana - Sindh topics
• Internet Encyclopedia of Ukraine - Ukraine history and culture
• Gazetteer for Scotland - Scottish geography
• Historical Dictionary of Switzerland - Swiss history
• Oslo byleksikon - Oslo encyclopedia
• Sahapedia - Indian arts and cultures
• Te Ara: The Encyclopedia of New Zealand - New Zealand information
• Vienna History Wiki - Vienna history

Mathematics

• Encyclopedia of Mathematics - Mathematics articles
• Encyclopedia of Triangle Centers - Triangle centers information
• MacTutor History of Mathematics - History of math (added for completeness)

Science

• Britannica Science - Science topics from Britannica
• Science.gov - U.S. government science info
• Nature Encyclopedia - Scientific subjects
• Khan Academy Science - Interactive science learning

Social Sciences

• Oxford Bibliographies in Social Sciences - Curated bibliographies
• Encyclopedia.com Social Sciences - Social sciences articles
• Encyclopedia of Anthropology - Anthropology topics

Technology and Computing

• Wikipedia Computer Science - Computing topics
• Computer History Museum - Tech history
• WhatIs.com - Tech definitions
• TechTarget WhatIs - IT encyclopedia

Health and Medicine

• NCBI Bookshelf - Medical texts
• MedlinePlus Medical Encyclopedia - Health topics
• Merck Manual - Medical reference

History

• Britannica History - Historical events
• History.com Encyclopedia - U.S. and world history
• World History Encyclopedia - Global history

Law and Government

• Wex Legal Dictionary - Legal terms
• USA.gov - Government info
• Britannica Political Science - Politics