TCIdigi is a fork of fldigi (https://w1hkj.org/ for Mac and Linux that uses a Qt6 interface. It is pared down from the full fldigi functionality and is meant as a daily driver for general digital mode chatting.

Call sign lookups and logging are QRZ only for now

It has been tested on Mac with ZeusSDR and ExpertSDR3 and should build for linux as well. The dmg is built and tested on Mac 27.0 on M silicon, M2 Max system.

Features

  • TCI client with full sound and CAT support
  • Qt6 streamlined interface
  • Supports the most commonly used modem types
  • QRZ lookups and logging integrated

Project Samples

TCIdigi 0.28

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Registered

2026-10-10
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