XWiki is a WikiWiki clone written in Java that supports many popular features of other Wikis like the Wiki syntax, version control, attachments, security, and searching, but also many advanced features like templates, database and dynamic development using scripting languages (Velocity, Groovy, Ruby, Python, PHP, and more), an extension system and skinability, J2EE scalability, an XML/RPC remote API, statistics, RSS feeds, PDF exporting, WYSIWYG editing, an Office viewer and importer, and a lot more.

This release introduces some important changes. There is a new security module by default. XWiki is now always in virtual mode. JQuery is embedded by default. XWiki/1.0 syntax is now disabled. There are many other improvements

XWiki – Freecode

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