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.
Journal is software for developing and publishing journals on the Web. It combines Java, Spring 3, Lucene, and Ehcache into an elegant solution for Web content management. The presentation is modern and CSS-based, and uses a responsive approach to layout. Resize your browser window and watch the layout adapt.