Software synthesizer based on the SoundFont 2 specifications
Specialized sound synthesizer with Byzantine Church music scales
Nyquist is a language for sound synthesis and music composition.
Additive Synthesizer
mk1utils: tools for the Wersi MK1, EX20, DX10, EX10R, DX5
Free and Open Source Brainwave Entrainment application
patch editor for the E-MU Proteus 2000 synthesizer family
free cross-platform music creation software
A cross-platform wrapper for common text-to-speech engines in Python
Simple musical track editor + Tools