Substractive synth. The poor man's supersaw kept simple and it eats little away of the CPU.
The Kneebee comes standard with one preset. You can however modify it to your heart's...
Surround synth. Subtrakt 5.1 is a 6 Oscillator Surround Synth VSTi that allows you to use the creative possibilities of 5.1-surround sound within the process of sound design.
Vintage string synth. Stringer is an emulation of classic string synths such as : Eminent 310, Mellotron, Arp string ensemble, Crumar Performer, Korg Trident...