MIDI libraries for Qt/C++
A high quality MP3 encoder
Audio codecs extracted from Android Open Source Project
A free multi-track audio editor and recorder
An advanced drum machine with pattern-based programming
Audio Tag Editor
Virtual MIDI controller for Linux, Windows and OSX
Graphical editor software for many Boss and Roland effect & synth unit
wxMP3gain is a free front-end for the MP3gain.
EasyABC is an open source ABC editor
A multi-format module player and library
Qt-based Multimedia Player
PC based Oscilloscope and Spectrum analyzer using sound card
application to learn classical score notation.
Snd is a sound editor
sc68 is an Atari ST and Amiga music player