Tiki Groupware/CMS : Tiki Wiki CMS Groupware is a free and open source Wiki-based content management system and online office suite written primarily in PHP and distribute...
Plone : Plone is a free and open source content management system built on top of the Zope application server.
MediaGoblin : MediaGoblin is a free software media publishing platform that anyone can run. You can think of it as a decentralized alternative to Flickr, YouTube, S...
Faktory : Faktory is a language-agnostic, persistent background job system.
