Alternatives to Wikipedia.org - Similar Sites & Competitors
Wikipedia
Wikipedia is a free online encyclopedia anyone can edit, offering millions of articles in many languages on a wide range of topics.
Explore millions of articles in your language
Wikipedia is a free online encyclopedia where you can find information on just about any topic, written and maintained by volunteers from around the world. Whether you're curious about history, science, pop culture, or current events, there's likely an article for you—often available in multiple languages.
You can search for articles, save your favorites to read offline, and even contribute your own knowledge by editing or creating entries. Wikipedia's open and collaborative approach means content is always growing and evolving, making it a valuable resource for anyone looking to learn or share information.
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Explore a comprehensive online encyclopedia dedicated to mathematics, offering detailed articles and resources for students, teachers, and researchers.
GAMEO is an online encyclopedia offering articles in English, French, and Spanish about various topics, accessible to anyone interested in learning more.
Memory Alpha is a fan-driven encyclopedia with detailed articles, guides, and references about Star Trek, its characters, ships, and universe.
Wikispecies is a free online directory that provides detailed information about animals, plants, fungi, bacteria, and all forms of life in a collaborative format.
Discover the world of Tolkien with this detailed online encyclopedia covering Lord of the Rings, its characters, books, adaptations, and more.
Simple Wikipedia offers clear, easy-to-read encyclopedia articles on a wide range of topics, making knowledge accessible for all ages and English learners.
Explore the Marvel universe with this fan-powered wiki featuring detailed info on characters, comics, movies, and storylines. Open for everyone to edit.
Citizendium is a wiki encyclopedia where real-name authors share and improve free knowledge on a wide range of topics in a friendly online community.
Wowpedia is a free, community-edited wiki packed with guides, lore, and info about World of Warcraft and the wider Warcraft universe.
TV Tropes is a user-driven wiki cataloging recurring themes, plot devices, and storytelling techniques across all forms of media and pop culture.
ピクシブ百科事典はアニメ、マンガ、ゲーム、アートなど幅広いテーマをみんなで解説・共有できる日本語のオンライン百科事典です。
Wiktionary is a free, multilingual dictionary and thesaurus that lets you search word meanings, translations, and synonyms in many languages.
Sega Retro is a wiki dedicated to Sega's history, games, and hardware, featuring thousands of articles about consoles, franchises, and company milestones.
Wookieepedia is a user-edited Star Wars wiki packed with detailed info on movies, characters, lore, and more for fans to explore and contribute.
Appropedia is a sustainability wiki where you can learn, share, and collaborate on practical solutions for sustainable living and appropriate technology.
Sonic Retro is a fan-driven, ad-free online encyclopedia packed with articles, info, and resources about Sonic the Hedgehog games, comics, and more.
Wikiquote is a free online collection of notable quotes, proverbs, and sayings from people, books, films, and more, available in multiple languages.
Explore an online encyclopedia that blends factual information with values, written and reviewed by certified experts for a balanced perspective.
Explore a huge online animal encyclopedia packed with facts, pictures, and fun quizzes. Learn about hundreds of species and discover the wonders of nature.
Explore emoji meanings, history, and usage across platforms with Emojipedia, your go-to online guide for everything emoji-related.
MusicBrainz is an open music encyclopedia offering free, public music metadata for artists, albums, and tracks from around the world.
The Stanford Encyclopedia of Philosophy is a free, expert-written online reference covering philosophical topics, thinkers, and ideas from around the world.
Explore thousands of detailed math topics in this comprehensive, easy-to-use online encyclopedia, complete with illustrations and interactive examples.
Explore philosophy topics with in-depth articles written by professional philosophers. A free online encyclopedia for students, teachers, and curious minds.
Find clear answers to questions about history, science, culture, and more. Reference.com makes learning easy with articles on a wide range of topics.
Explore a vast online encyclopedia about all living species, with educational resources and multilingual support for learners, teachers, and nature lovers.
Access detailed biographies of notable figures from British history, with expertly curated articles and resources from Oxford University Press.
Radiopaedia.org is a free, peer-reviewed online encyclopedia for radiology, offering articles, teaching cases, and resources for medical professionals worldwide.
Browse, search, and contribute to a vast online encyclopedia of integer sequences—ideal for math enthusiasts, researchers, and students worldwide.
Explore short biographies of famous people, historical figures, and celebrities from all walks of life. Discover who shares your birthday and more.
Worldwide Wikipedia.org Alternatives
A Chinese-language online encyclopedia where anyone can read, edit, and share articles on countless topics across all fields of knowledge.
Norsk kunstnerleksikon is an online encyclopedia in Norwegian featuring detailed articles about Norwegian artists and their work. Content is not updated.
Klexikon is a German-language online encyclopedia designed just for kids, offering easy-to-understand articles on many topics in a safe environment.
German-language wiki dedicated to the Commodore 64, where you can explore and contribute to articles about C64 games, hardware, and history.
Wien Geschichte Wiki is a German-language history wiki about Vienna, offering articles, people, maps, and events from the city's rich past.
搜狗百科是一部开放共享的中文百科全书，涵盖多领域知识，方便用户快速查找和了解各种话题。
Encyclopædia Universalis is a French online encyclopedia offering reliable, in-depth articles and resources on a wide range of topics for all audiences.
Toonopedia is an online encyclopedia all about comics and animation, offering info on toons, their creators, and the companies behind them.
コトバンクは日本語の辞書や百科事典をまとめて無料で検索できるウェブサービス。信頼できる情報源から用語の意味を調べられます。
Explore clear, concise definitions and explanations of tech terms with this online encyclopedia focused on computers and technology topics.
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