FluidSynth - FluidSynth is a real-time software synthesizer based on the SoundFont 2 specifications and has...
Bosca Ceoil - A free, easy to use tool for creating music.
ZynAddSubFX - ZynAddSubFX is an open source software synthesizer for Linux, Mac OS X and Microsoft Windows.
Renoise - Renoise is a digital audio workstation.
VirtualMIDISynth - VirtualMIDISynth is a software MIDI synthesizer implemented as a Windows multimedia user driver...
Zynewave Podium - Podium is a modern digital audio workstation (DAW) for Windows.