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.
drupal.org : Drupal is an open source content management platform powering millions of websites and applications. It’s built, used, and supported by an active and ...
SAPID : free ware open source CMS software with XML Sapiens, file flat, WYSIWYG, RSS and web services development tool (for news publishing, gallery, survey, ...
Essentia : Open-source library and tools for audio and music analysis, description and synthesis
