Create online meetings, video conferencing, calls, chats and share content.
Tor Messenger--based on Instantbird...
LAN messaging for safe, secure and effective intra-office communication.
What you need if you are fed up with the irritating chime of your Macintosh at startup.
Java-based chat client. If you need to communicate with contacts on several public IM channels simultaneously and don't want to clutter your desktop..