My attempt to create a free and open-source TNC with a GUI for codec2 with the idea of sending messages and data from one network based application.

mailing-list

Please keep in mind, this project is still under development with many issues which need to be solved.

• network based
• raw data transfer
• fft output
• JSON based commands
• speed levels
• ARQ - stop and wait
• SNR operation level SNR > 0dB MPP/MPD
• file compression
• auto updater
• channel measurement
• hybrid ARQ
• tbc...

• chat messages
• file transfer
• file transfer with chat message
• database for not loosing messages
• smileys
• database network sync
• voice messages
• image compression
• status messages
• avatars
• tbc...

Please check the wiki for installation instructions Please check the 'Releases' section for downloading precompiled builds

• David Rowe and the FreeDV team for developing the modem and libraries - FreeDV Codec 2 : https://github.com/drowe67/codec2
• xssfox, her repository helped a lot in an early stage of development - xssfox : https://github.com/xssfox/freedv-tnc