Wikipanion is not available as a web app but there are a few alternatives that runs in the browser with similar functionality. The best Online alternative is Citizendium, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 10 alternatives to Wikipanion and three of them are available as a web app so hopefully you can find a suitable replacement. Other interesting Online alternatives to Wikipanion are Stubia and Alchetron.
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.
Stubia is a mobile encyclopedia that limits each article to 160 characters: this limitation makes each topic easy to understand.
Alchetron.com is a free social encyclopedia for world where you can create, organize and learn easily using topics.
With Alchetron you can search & share thousands of organized topics which can be biographies, free courses for students etc.
