GetSimple CMS : GetSimple is an XML based, stand-a-alone, fully independant and lite Content Management System.
pump.io : Social server with an ActivityStreams API. It's a stream server that does most of what people really want from a social network.
SPIP : SPIP est un système de publication pour l’Internet qui s’attache particulièrement au fonctionnement collectif, au multilinguisme et à la facilité d’em...
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 ...