Encyclopedias

Free content, multilingual online encyclopedia written and maintained by a community of volunteers through a model of open collaboration, using a wiki-based editing system.

Kiwix enables you to have the whole Wikipedia at hand wherever you go! You don't need Internet, everything is stored on your computer, USB flash drive or DVD!.

MusicBrainz is a community music metadatabase that attempts to create a comprehensive music information site. You can use the MusicBrainz data either by browsing this web site, or you can access the data from a client program — for example, a CD player program can use...

Ibis is a federated encyclopedia which uses the ActivityPub protocol, just like Mastodon or Lemmy. Users can create, browse, edit articles and use many other features. If you want to start a wiki for a TV series, a video game, or an open source project, then Ibis is for you!

Supports light mode, dark mode, Material You dynamic colors and 300+ Wikipedia languages

The Encyclopædia Britannica is a general English-language encyclopaedia published by Encyclopædia Britannica, Inc., a privately-held company. The articles in the Britannica are aimed at educated adult readers, and written by a staff of about 100 full-time editors and...

Wikiless is a free open source alternative Wikipedia front-end focused on privacy.

WikiSpooks is a global alternative encyclopedia on politics, spy craft, deep state intelligence, and conspiracies, free of corporate influence, partisan politics, or government propaganda for historians and truth-seekers to read, edit, and share.

Metapedia is an electronic encyclopedia which focuses on culture, art, science, philosophy and politics.

Scholarpedia is a peer-reviewed open-access encyclopedia written and maintained by scholarly experts from around the world. Scholarpedia is inspired by Wikipedia and aims to complement it by providing in-depth scholarly treatments of academic topics.

Non-profit history encyclopedia with the mission to engage people with cultural heritage and to improve history education worldwide.

Microsoft Encarta was a digital multimedia encyclopedia published by Microsoft Corporation from 1993 until 2009. As of 2008, the complete English version, Encarta Premium consisted of more than 62,000 articles, numerous photos and illustrations, music clips, videos...

Uncyclopedia is the content-free encyclopedia that anyone can edit. It parodies Wikipedia.

An Android app for browsing songs, artists, and anything related to them using the data from MusicBrainz.

HandWiki is a wiki encyclopedia dedicated to scientific computing and science. This wiki can be used for collaborative editing of articles about applications of computers and software programs in different areas of science, finance and engineering.

Since 2004, Encyclopedia Dramatica is a central catalogue for organized reference pages about drama, memes, e-pals and other interesting happenings on the Internet written in a sharply satirical manor.

IFWiki is a wiki containing information about interactive fiction, including IF history, theory, craft, tools, and people. IFWiki serves as both a historical record of community knowledge and a guide to resources for playing and creating interactive fiction.

Infogalactic is an Internet-based, free-content encyclopedia project that is a dynamic fork of Wikipedia and improves upon the online encyclopedia's model of openly editable content. Infogalactic's pages are interlinked in order to connect the user to related pages with...

Worldometers is run by an international team of developers, researchers, and volunteers with the goal of making world statistics available in a thought-provoking and time relevant format to a wide audience around the world.

Saves Wikipedia articles that are marked for deletion; allows articles on anything and everything.

Online encyclopedia similar to Wikipedia and Grokipedia.

Online dictionary and encyclopedia with pictures, facts, and videos. Get information and homework help with millions of articles in our free, online library.

Citizendium, powered by MediaWiki, is "an open wiki project dedicated to creating a free, comprehensive, and reliable repository of structured knowledge". Unlike with Wikipedia, a contributor must register using their real name and verify their identity.

User-editable encyclopedia for fans of anthropomorphic animals. Over 18,000 articles on furry community and culture in twenty-one languages.

Wikipedia, better than ever—on iPhone, iPad, and Apple Watch. Discover the world and enjoy beautiful typography with this sleek app.