High quality software synthesizers and audio effect plug-ins, available in VST and Audio Unit formats for Windows and Mac OS X (Intel and PowerPC).

FabFilter Twin is a versatile and powerful synthesizer plug-in
for Windows and Mac OS X. It features super-high quality
oscillators, superb, award-winning multi-mode filters, and a
unique drag-and-drop modulation system that makes sound
designing fun, easy and fast. FabFilter Twin comes with a
library of more than 800 presets!

FabFilter Volcano’s two independent multimode filters provide low-pass, high-pass, and band-pass responses with 12/24/48 dB/octave slopes. Any filter parameter can be modulated by the two LFOs and the MIDI/audio-triggerable EG

comes with amazing presets as well!