https://www.spip.net/en

http://props.sourceforge.net/

http://pxsystem.sourceforge.net/

With a single installation of PLUME CMS you can have multiple websites, file management, multiple authors with different rights and websites in any languages thanks to a full utf-8 support.

https://www.sourcefabric.org/en/newscoop/

Open content management system for professional journalists & online newspapers.

https://www.jamroom.net/

Whatever your network is about you can build it with Jamroom. Build a place for users to gather around a social topic. Connect with others who share your passion.

http://www.familycms.com/

Private Social Networking Share pictures and videos. Have discussions. Start a family tree.

https://elgg.org/

http://www.wikini.net/wakka.php?wiki=HomePage

WakkaFr is derivated from WakkaWiki because the author of WakkaWiki said he wouldn't have much time to work on it. We intend to make the development of WakkaFr open to everybody.

https://tiddlywiki.com/

http://www.pmwiki.org/

PmWiki is a wiki-based system for collaborative creation and maintenance of websites.