Virtual modular synthesizer plugin
Hybrid Virtual Synthesizer
guitarix virtual versatile amplification for Jack/Linux
Your Hardcore Loop Machine for Windows, Linux and OS X.
VST instrument playing mp3 files
A virtual MIDI keyboard and a piano for Windows.
a VSTI / vst older version of midipiano_chung virtual acoustic piano
Semi-random patch generator for the Audjoo Helix VST synth.