WikkaWiki : WikkaWiki is a flexible, standards-compliant and lightweight wiki engine written in PHP, which uses MySQL to store pages.
Elgg : Elgg is an award-winning social networking engine, delivering the building blocks that enable businesses, schools, universities and associations to cr...
PhpWiki : PhpWiki is a clone of the original WikiWikiWeb
Tutanota : Tutanota is an open-source end-to-end encrypted email software and freemium hosted secure email service based on this software
PeoplePods : PeoplePods is a developer-friendly social software toolkit
Build applications where people meet, talk, share, read, work, publish and explore.
Mautic is marketing automation software (email, social & more). Social Media Marketing, Contact Management, Email Marketing, Forms, Campaigns, Reports