free4.chat is an instant audio conferencing service.

It is designed by the local first and privacy first principle, and is very easy to use.

• Room
  • Text chat, can sent text or emoji
  • Room permission setting, like public/private type setting
  • Public rooms discovery, like hot room list or filter rooms by type/tag
• User
  • Robot user, like game robot who can play or facilitate game
  • User real-time collaboration, like whiteboard
• Infra
  • Backend service cluster, auto scaling, load balancing, etc.
  • Security enhancement, like coturn TLS setup, end-to-end encryption, etc.

If you are interested in webRTC, peer-to-peer(P2P), real-time collaboration(CRDT), distributed system or robot design, you can join this project and contact with me by twitter.