Neutron Chat allows you to communicate in networks
Neutron Chat is a simple chat application for communicating in networks or in the internet via the TCP/IP protocoll and your own server. It is based on the .NET Framework 4.0 and uses AES-encryption.
And it's NSA-proof. Just sayin'.
New (and presumably last) version: 3.3.1
Do you know Dungeon And Dragon, if so you will like to participate in this project to build a small game base upon it, A style of MUD (Multi-user Dungeon) base on the rules of DnD 3.5. Video conference and audio will likely be input to help the game.
Bring the power of Internet to your community! p2pCommunity features a community-based, secure way to interact over the Internet. Chat with other people, share files and, coming soon, make audio and video conferencies. Check the website for details.