Simply Piano - Fast and fun way to learn piano
FluidSynth - FluidSynth is a real-time software synthesizer based on the SoundFont 2 specifications and has...
Melodics - Melodics is a desktop app that teaches you to play MIDI keyboards, pad controllers, and drums.
ZynAddSubFX - ZynAddSubFX is an open source software synthesizer for Linux, Mac OS X and Microsoft Windows.
Yousician - Learn to play music at home, at your own pace
VirtualMIDISynth - VirtualMIDISynth is a software MIDI synthesizer implemented as a Windows multimedia user driver...