Nertivia - Chat Client - Chat with friends or anyone around the world, free gif and emoji support.
Discourse - Discourse is an open source discussion platform built for the next decade of the Internet.
The Gasket - A forum to make the internet more secure. 🔒
GraphJS - Make any website social
Spectrum - Browser-based app to visualize the frequencies of an audio file.
Circle.so - Bring together your discussions, memberships, and content. Integrate a thriving community wherever your audience is, all under your own brand.