Audio converter and CD ripper for various formats
EasyABC is an open source ABC editor
JACK Audio Connection Kit Qt GUI Interface
A multi-format module player and library
A fluidsynth Qt GUI Interface
Streams many media formats with minimal configuration
Repeating your Intentions millions of times per second
Multiplatform MIDI File Player for Linux, Windows, and macOS
MIDI libraries for Qt/C++
PC based Oscilloscope and Spectrum analyzer using sound card
https://blackhole-apk.com/
Play music online. With friends. For free.
The X Jack Video Monitor
Download album art for complete media library
Free professional video converter Windows|Mac|Linux
application to learn classical score notation.