http://sovereign.i2p/i2p-chat.html
Send peer-to-peer, end-to-end encrypted text messages over the I2P network with i2p-chat. The i2p-chat source code is free, open source licensed under the MIT license. i2p-chat is written in the C++ programming language. Update - i2p-chat version 0.0.4 Corrected i2p-chat-server.cpp to properly reference the i2p-chat.log file location.