MediaWiki is a free and open-source wiki software platform developed primarily for Wikipedia and other Wikimedia projects. It is written in PHP and uses a MySQL or MariaDB database to store its content. MediaWiki is designed to facilitate the collaborative creation and editing of content, allowing multiple users to create and modify pages easily. Key features of MediaWiki include: 1. **Version Control**: It keeps track of changes made to pages, allowing users to view and revert to previous versions if necessary.
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