An open source and free music notation software
Specialized sound synthesizer with Byzantine Church music scales
A binary waveform synthesizer based on Timewave Zero
Free music notation & composition software
Phase Modulation Sound Synthesizer
Synthesizer, mixing, sound effects, music composition and production.
Just Intonation Synthesizer For X Window
A GPL software synthesizer for all.
Minaton is a fat sounding mono subtractive software synthesizer