My central FT-991A documents trove
CAT support for Arduino, simulating a Yaesu FT-857D
pistar-lastqso is a tool to monitor DMR, YSF (including DMR2YSF and YSF2...
Spice up your FT-991A by using VoiceMeeter Banana to process your audio ...
Python implementation of CAT system for Yaesu FT-817ND.
AFSK interface for Android smartphones and tablets.