The swiss army knife of lossless video/audio editing
An open-source, clean-room reimplementation of Avid Pro Tools
LilyPond sheet music text editor
Layer-based headphone calibration, AutoEQ and FIR rendering
Runabc is a user interface supporting abc music notation software
Tool to lossless cut audio files
Audio Editor
Featureful native Commodore 64 music tracker with MIDI/XM converter
Print guitar chord diagrams