Zulip : Powerful slack-like open source group chat
BotMan : BotMan is a framework agnostic PHP library that is designed to simplify the task of developing innovative bots for multiple messaging platforms, inclu...
Quietnet : Simple chat program using near ultrasonic frequencies. Works without Wifi or Bluetooth and won't show up in a pcap.
PeerTube : PeerTube is a free, decentralized, federated video platform powered by ActivityPub and WebTorrent, that uses peer-to-peer technology to reduce load on...
Flok : Web-based P2P collaborative editor for live coding music and graphics
