GNU social - GNU social is communication software for both public and private communications.
Disciple - Grow, engage and monetise your community with Disciple community software. Get your own branded community platform on Web, iOS and Android
YouWeb - The first social network focused on your way to experience the Web and interact with virtual...
Proboards - ProBoards is a host of free forums with customer service.
Gab - Gab is an ad-free social network dedicated to free speech.
Forumotion.com - Create a free forum : free forum hosting, free forum skins, templates editing, chatbox, RPG mod... Choose PhpBB 2 - 3, Invision or PunBB. Create forums now!