Quoted from the manufacturers site:
“What is SimulAnalog Guitar suite?
It is a suite of vst plugin with amplifiers and analog processors for guitarists, actually containing the simulation* of:
– Boss DS-1 (Distortion stompbox)
– Boss SD-1 (Super Overdrive stompbox)
– Tube Screamer (Overdrive stompbox)
– Oberheim PS-1 (Phaser stompbox)
– Univox Univibe (Modulations stompbox)
– Fender Twin 1969 (Guitar amplifier)
– Marshall JCM900 Dual Reverb (Guitar amplifier)
* All amplifier and effect names are trademark of their respective owners, which are in no way associated or affiliated with SimulAnalog” or Rowbinet.co.uk
Visit SimulAnalog then click the technology link at the top of their page for info.