The free encyclopedia. La enciclopedia libre. TWiki - the Open Source Enterprise Wiki and Web 2.0 Application Platform. MediaWiki. List of wikis. This page contains a list of notable websites that use a wiki model. These websites will sometimes use different software in order to provide the best content management system for their users' needs, but they all share the same basic editing and viewing website model. §Table[edit] §See also[edit] §References[edit] §External links[edit] Wiki communities for everyone! -- Wikia.com.