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.
Zulip : Powerful slack-like open source group chat
Scuttlebot : Scuttlebot is an open source peer-to-peer log store used as a database, identity provider, and messaging system. It has:
Global replication
File-synch...
PeerTube : PeerTube is a free, decentralized, federated video platform powered by ActivityPub and WebTorrent, that uses peer-to-peer technology to reduce load on...
