-Synapse Audio Junglist (now called Hydra and changed) for Bass
- linplug albino
- ImpOscar
- Refx Vanguard
- Superwave P8
- Audiorealism Bassline (good 303 like)
- gmedia oddity
- ni fm7
- synapse audio hydra

just some (!) u need to buy from the top of my head, there's a hell of a free ones as well.

check diz one, if u don't have it yet:

http://spinwarp.com/downloads/ReeseMx.zip

for reese-type-bass