GNU social - GNU social is communication software for both public and private communications.
Grapedrop - Build free, responsive, website pages with an easy to use online builder. Design and publish online immediately or export the code and host it wherever you want
YouWeb - The first social network focused on your way to experience the Web and interact with virtual...
mmm.page - Dead simple, drag & drop personal websites
Gab - Gab is an ad-free social network dedicated to free speech.
Graphite - Graphite is a highly scalable real-time graphing system.