portmidi
| Название | Категория | Описание |
|---|---|---|
| csound | media-sound | Sound design and signal processing system for composition and performance |
| denemo | media-sound | A music notation editor |
| hatari | games-emulation | Atari ST emulator |
| hydrogen | media-sound | Advanced drum machine |
| mido | dev-python | MIDI Objects, a library for working with MIDI messages and ports |
| odamex | games-engines | Online multiplayer free software engine for DOOM |