This is might be one of the best free synth i know so far.
It's look like a thor synth from reason's but i'm not so sure.
Just filter alone is enough to make this synth worth for 100 bucks
Odin 2 Free Synthesizer
The sound of this 24-voice polyphonic beast will take you from your studio right to Valhalla. Earth shattering basses, exquisite leads or outer-worldly FX, Odin's got them all! Use the classic sound of analog waveforms - or draw your own. High quality emulations of legendary analog filters like...
www.thewavewarden.com
Just filter alone is enough to make this synth worth for 100 bucks