"Phabricator is a collaboration platform open to all Wikimedia and MediaWiki contributors. We focus on bug reporting and software projects. Non-technical initiatives are welcome as well."
MediaWiki is a free software wiki package written in PHP, originally for use on Wikipedia. It is now used by several other projects of the non-profit Wikimedia Foundation and by many other wikis, including this website, the home of MediaWiki.Use the links below to explore the site contents. You'll find some content translated into other languages, but the primary documentation language is English.
"WikiApiary collects, displays and analyzes information about MediaWiki websites. Once a website is registered with WikiApiary a suite of bots will start collecting information about the versions of software being used, the amount of editing activity on the site as well as the use of Semantic MediaWiki."