A free, open-source, multi-platform application for sending files and messages, using the codec2 HF modems
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DJ2LS f7bcdad47f
finally working macOS build
1 week ago
.github fixed path env 1 week ago
documentation and some more small changes which should have its own PR... sorry.. 5 months ago
gui finally working macOS build 1 week ago
test small ctest adjustments 1 month ago
tnc finally working macOS build 1 week ago
tools fix split_char 1 month ago
.gitignore Add useful exclusions 7 months ago
.stignore audio tuning and chat optimisation 10 months ago
CMakeLists.txt disabled chat test since its broken because of session IDs 2 months ago
LICENSE Initial commit 2 years ago
README.md Update README.md 2 months ago
add-osx-cert.sh add osx_certs 1 week ago
requirements.txt version update for hotfix 2 weeks ago



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.


Under development

Build CodeFactor

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

existing/planned TNC features

  • 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...

existing/planned Chat features

  • 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...

Data Preview


Chat Preview



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