| Site |
Language |
Description |
Access |
| Appropedia |
English |
Collaborative systems for sustainability, poverty reduction and international development |
Free |
| Baidu Baike |
Chinese |
Collaborative online encyclopedia hosted by the major Chinese search engine Baidu |
Free |
| Banglapedia |
Bengali, English |
General interest |
Free |
| The Canadian Encyclopedia |
English, French |
General interest (original content of the hard copy Canadian Encyclopedia) |
Free |
| Citizendium |
English |
General interest, wiki |
Free |
| Columbia Encyclopedia |
English |
General interest |
Free |
| Conservapedia |
English |
American conservative and Christian interests |
Free |
| Crnogorska Enciklopedija |
Montenegrin |
General interest (hopes to encourage a Montenegrin language Wikipedia) |
Defunct |
| Den Store Danske Encyklopædi |
Danish |
General interest |
Free |
| Digital Universe |
English |
Collection of articles on educational, cultural, and scientific topics |
Free |
| Diplopedia |
English |
US State Department internal encyclopedic wiki, available for diplomats and overseas US agents to use |
Access only through the State Department |
| Doosan Encyclopedia |
Korean |
General interest |
Free |
| EcuRed |
Spanish |
General interest. Cuban |
Free |
| Ekşi Sözlük |
Turkish |
General interest |
Free |
| Encarta |
English |
General interest |
Defunct |
| Enciclonet |
Spanish |
General interest |
Limited free access and features, subscription for full access |
| Encyc |
English |
General interest |
Free |
| Encyclopædia Britannica |
English |
General interest |
Limited free access and features, subscription for full access |
| Encyclopædia Britannica 11th Edition |
English |
General interest |
Public domain: completely free access from several online sources |
| Encyclopedia of China |
Chinese |
General interest |
Subscription |
| Encyklopedia Internautica |
Polish |
General interest |
Free |
| Enciclopedia Italiana di scienze, lettere ed arti |
Italian |
General interest. Published by the Istituto dell'Enciclopedia Italiana Treccani |
Free |
| Enciclopedia Libre Universal en Español |
Spanish |
Fork of the Spanish Wikipedia, using wiki software, released under the GFDL |
Free, copyleft |
| Encyclopedia Sindhiana |
Sindhi |
General interest |
Limited free access and features |
| Encyclopædia Universalis |
French |
General interest encyclopedia published by Encyclopædia Britannica |
Subscription |
| Everything2 |
English |
General interest, users can submit articles on the topic of essentially anything |
Free |
| GNE |
English |
General interest articles are released under a GNU license. Formerly GNUpedia. |
Defunct |
| Gran Enciclopèdia Catalana |
Catalan |
General interest |
Free |
| Grand Larousse encyclopédique |
French |
General interest |
Free |
| Great Soviet Encyclopedia |
Russian, English |
General interest, often from the former official Soviet viewpoint. |
Free |
| Holocaust Encyclopedia |
English, Arabic, Persian, French, Spanish |
Holocaust-related articles, published by the United States Holocaust Memorial Museum |
Free |
| Hudong |
Chinese |
General interest. China's largest wiki |
Free |
| Encyclopedia of Ukraine |
English |
General interest |
Free |
| Internetowa encyklopedia PWN |
Polish |
General interest |
Free |
| Interpedia |
English |
General interest, the first site to propose a free encyclopedia written by users |
Defunct |
| Enciklopedio Kalblanda |
Esperanto |
General interest. The first online Esperanto encyclopedia |
Defunct (merged into Esperanto Wikipedia) |
| Kdo byl kdo |
Czech |
Biographies on notable Czech and Slovak people |
Free |
| Keyinpedia |
Chinese |
General interest |
Free |
| King Abdullah Abdul Aziz Health Encyclopedia |
Arabic, English |
Health encyclopedia |
Free |
| Marathi Vishwakosh |
Marathi |
General Interest |
Free |
| Marefa |
Arabic |
General interest |
Free |
| Mawdoo3 |
Arabic |
General interest |
Free |
| Metapedia |
Hungarian, German, English, Spanish, Swedish, Romanian,
Estonian, French, Slovenian, Czech, Portuguese,
Norwegian, Croatian, Danish, Greek, Dutch |
Far right-wing, white nationalist and neo nazi encyclopedia |
Free |
| Meyers Konversations-Lexikon 4. ed. 1888 - 1892 |
German |
General interest |
Free |
| Nationalencyklopedin |
Swedish |
General interest, comprehensive |
Subscription |
| Nupedia |
English |
Combined with GNUpedia |
Defunct |
| Open Site |
English |
Categorized community-built encyclopedia, inspired by the Open Directory Project |
No longer an encyclopedia |
| Probert Encyclopaedia |
English |
General interest |
Defunct |
| Proleksis Encyclopedia |
Croatian |
General and national encyclopedia |
Free with registration |
| Sarvavijnanakosam |
Malayalam |
General interest |
Free |
| Scholarpedia |
English |
Articles are written by scholars and peer-reviewed for accuracy |
Free |
| Store norske leksikon |
Norwegian (Bokmål) |
General interest |
Free |
| Susning.nu |
Swedish |
A Swedish language wiki 2001–2009 |
Defunct |
| Tamil Encyclopedia |
Tamil |
General Interest |
Free |
| Từ điển Bách khoa toàn thư Việt Nam |
Vietnamese |
General interest. State-sponsored encyclopedia. |
Free |
| Uncyclopedia |
Multilingual |
Humour encyclopedia |
Free |
| Veropedia |
English, Dutch, Spanish |
Mirrors stable versions of selected English Wikipedia articles |
Defunct |
| Vikidia |
English, French, Italian, Russian, Spanish |
Articles designed for children ages 8–13 |
Free |
| WIEM Encyklopedia |
Polish |
General interest |
Free |
| Wikipedia |
See list here |
General interest, wiki |
Free, copyleft |
| Winkler Prins |
Dutch |
General interest, three different age levels |
Subscription |
| World Book Encyclopedia |
English |
General interest |
Subscription |
| Site |
Language |
Description |
Access |
| Aeiou Encyclopedia |
German, English |
Online database of Austrian culture |
Free |
| Encyclopedia of Alabama |
English |
Articles on the state of Alabama |
Free |
| Encyclopedia of Arkansas |
English |
A project of the Central Arkansas Library System and is the only U.S. state encyclopedia sponsored by a public library |
Free |
| Dictionary of Sydney |
English |
Articles on the history and culture of Sydney, Australia |
Free |
| Dictionary of Greek and Roman Geography |
English |
Focuses on topic relating to Greek and Roman geography |
Free |
| Encyclopaedia of Islam, 3rd edition |
English |
About the Islamic world, not a Muslim encyclopaedia |
Subscription |
| Encyclopædia Iranica |
English, plans for a future Persian version |
Topics on the influence of the Iranian peoples throughout history |
Free |
| Encyclopedia of Korean Culture |
Korean |
Korea-related topics |
Free |
| Encyclopedia of Ukraine |
English and Ukrainian |
Ukraine related articles |
Free |
| Gazetteer for Scotland |
English |
Articles on the geography and locations of Scotland |
Free |
| glbtq.com |
English |
Gay, lesbian, bisexual, trangender, and queer culture. |
Free |
| Handbook of Texas |
English |
Articles on the U.S. State of Texas |
Free |
| Jewish Encyclopedia |
English |
The state of Judaism and the Jews (as of 1901) |
Free, Public domain |
| Jewish Virtual Library |
English |
Portals to essential Jewish topics |
Free |
| Kodansha Encyclopedia of Japan |
English |
Comprehensive articles on Japanese arts and culture, history and politics, etc. |
Subscription |
| Looklex Encyclopaedia |
English (based in Norway) |
Middle East and North African topics (known as CiAS 1996-1999) |
Free |
| New Georgia Encyclopedia |
English |
Articles on the U.S. state Georgia |
Free |
| The Oregon Encyclopedia |
English |
Articles pertaining to Oregon |
Free |
| Panyathai |
Thai, limited English |
General interest. Designed to honor the Thai king Bhumibol Adulyadej |
Free |
| Te Ara: The Encyclopedia of New Zealand |
English, Māori |
The New Zealand government site with content on the country |
Free |
| Vienna History Wiki |
German |
Articles on the history of the city of Vienna, Austria. Includes 31,000 entries from the 2nd edition of Historisches Lexikon Wien. |
Free |
| Site |
Language |
Description |
Access |
| Don Markstein's Toonopedia |
English |
Focuses on articles pertaining to print and animated cartoons |
Free |
| Encyclopedia Dramatica |
English |
Satirical NSFW wiki mostly covering Internet memes; claims to be based on the Devil's Dictionary. |
Free |
| Fringepedia |
English |
Contains articles pertaining to the American television drama Fringe. |
Free |
| H2G2 |
English |
Collection of sometimes humorous encyclopedia articles, based on Douglas Adams's The Hitchhiker's Guide to the Galaxy. |
Free |
| Heroes Wiki |
English, Dutch, French, German, Hebrew, Italian, Portuguese, Spanish, Swedish, Turkish |
Contains articles pertaining to the American television drama Heroes. |
Free |
| Lostpedia |
English, German, Spanish, French, Italian, Japanese, Dutch, Polish, Portuguese, Russian, Chinese |
Contains articles pertaining to the hit drama Lost |
Free |
| Memory Alpha |
English, Bulgarian, Chinese, Czech, Dutch, Esperanto, French, German, Polish, Portuguese, Russian, Serbian, Spanish, Swedish |
Articles about Star Trek |
Free |
| The Encyclopedia of Science Fiction |
English |
Authors, books, films of SF |
Free |
| The Rocklopedia Fakebandica |
English |
Articles on fake bands from popular entertainment |
Free |
| TV Tropes |
English, German, Esperanto, Spanish, French, Norwegian, Finnish, Swedish, Al Bhed, Quenya |
Articles related to the devices and conventions that a fiction writer can reasonably rely on as being present in the audience members' minds and expectations |
Free |
| The Vault |
English, German, Spanish, Bulgarian, Finnish, French, Georgian, Hungarian, Italian, Japanese, Korean, Lithuanian, Dutch, Norwegian, Polish, Portuguese, Russian, Swedish, Turkish, Chinese |
Fallout-related articles |
Free |
| Wookieepedia |
English, German, Spanish, Bulgarian, Danish, Finnish, French, Croatian, Hungarian, Italian, Japanese, Dutch, Norwegian, Polish, Portuguese, Russian, Romanian, Slovak, Slovene, Swedish, Chinese |
Star Wars-related articles |
Free |
| WoWWiki |
English, German, Spanish, French, Czech, Danish, Greek, Persian, Finnish, Hebrew, Hungarian, Icelandic, Italian, Lithuanian, Latvian, Dutch, Nynorsk, Bokmål, Polish, Portuguese, Brazilian Portuguese, Russian, Slovak, Korean, Japanese, Chinese |
World of Warcraft-related articles |
Free |
| Site |
Language |
Description |
Access |
| Cyclopaedia of Political Science |
English |
Articles pertaining to science, economics, and American authors. The 1899 edition is available online |
Free |
| dKosopedia |
English |
A political encyclopedia written from a left/progressive/liberal/Democratic point of view |
Free |
| Encyclopedia of World Problems and Human Potential |
English |
Presents articles on perceived human problems |
Free |
| HistoryLink |
English |
Articles on the history of Washington State |
Free |
| OurWorldInData |
English |
Global trends on economic growth, poverty, health, war, violence, education and demographics |
Free |
| JurisPedia |
Arabic, English, Chinese, French, German, Spanish, Dutch |
An academic encyclopedia on the concepts of law |
Free |
| Gapminder |
English |
Historical global trends in health, poverty, and demographics |
Free |
| Site |
Language |
Description |
Access |
| Animal Diversity Web |
English |
Student wiki-type database at the University of Michigan of animal natural history, distribution, classification, and conservation biology. |
Free |
| ARKive |
English |
Visual and audio recordings of the world's species |
Free |
| Encyclopedia of Life |
English, French |
Seeks to categorize all 1.8 million known species on the planet |
Free |
| Encyclopedia of Life Sciences |
English |
Biology related articles |
Subscription |
| Encyclopedia of Life Support Systems |
English |
Articles about the natural and social sciences |
Subscription |
| Erowid |
English |
Information about psychoactive substances |
Free |
| FishBase |
English, Spanish, Portuguese, French, German, Italian, Dutch,
Chinese (Simplified Han), Chinese (Traditional Han), Greek,
Swedish, Russian, Persian, Vietnamese, Thai, Lao, Hindi, Bengali |
Articles on fish species |
Free |
| Flora Europaea |
English |
Covers different plant species |
Free |
| Macroscopic Observatory |
English |
Covers Flora and Fauna |
Free |
| Palaeos |
English |
Covers palaeontology |
Free |
| The Plant List |
English |
Covers Flora |
Free |
| Wikispecies |
English |
Seeks to create a catalogue of all living things |
Free |
| ZipcodeZoo |
English |
Encyclopedia of all living things |
Free |
