Strawberry Music Player
The fre:ac audio converter project
Mixxx is Free DJ software that gives you everything you need
SonoBus, a real-time network audio streaming collaboration tool
Virtual modular synthesizer plugin
Audio server, programming language, and IDE for sound synthesis
Audio converter and CD ripper for various formats
A free multi-track audio editor and recorder
Free open source speech synthesizer for Russian and other languages
Play music online. With friends. For free.
application to learn classical score notation.
A free media player that easily plays your music, pictures and videos.
Directional Audio File Format
Low-latency, high quality voice chat for gamers
Music score editor
Free music notation & composition software
MIDI software to play tones from the "overtone series"
Free yourself
OctoGRIS3 is a multichannel sound spatialization plugin
Your Hardcore Loop Machine for Windows, Linux and OS X.
Real-time audio synthesis engine and music programming language
Audible AAX to MP3 Converter