Qtractor
This actively maintained open-source workstation handles music projects with nondestructive clip arrangement, piano roll, automation, mixing, JACK and ALSA routing, and several plugin formats.
Why use it
Qtractor lets Linux-based indie composers and sound teams produce loops, scores, and recordings for free while preserving complex routing in reproducible sessions.
Where it fits
Use art, animation, audio, levels, and narrative to make the game easy to read and its world convincing.
What to check
It targets Linux only, and JACK, PipeWire, ALSA, and plugin combinations require setup; pin plugin versions and export stems before cross-platform collaboration.