Perhaps the least messy and confusing: https://github.com/poetaster/harbour-audiocut
Imageworks and Videoworks have very large main pages in QML. Audioworks is less to get wrapped up in. I’m working on making them more modular and easier to maintain.
On the weekend I’ve finally uploaded Videoworks to harbour (it’s on chum and openrepos, too) …
It’s really mad, but combining python with system level stuff like ffmpeg is actually fairly performant: https://github.com/poetaster/harbour-clipper. Yesterday bug fixed audio recording.