LilyPond sheet music text editor
An advanced drum machine with pattern-based programming
Audio Tag Editor
Graphical editor software for many Boss and Roland effect & synth unit
EasyABC is an open source ABC editor
Play SoundTracker media on your computer.
A free multi-track audio editor and recorder
Free open source DAW, MIDI sequencer, software synthesizers
utility to split mp3, ogg vorbis and FLAC files without decoding
Convert between SMF (Standard MIDI File) and RMID (RIFF MIDI) format
patch editor for the E-MU Proteus 2000 synthesizer family
Browser-based online video editor and encoding API