McDSP 6030 Ultimate Compressor HD, Compressor Plug-In (Download), Contains 10 different compressor modules in one user interface: U670, Moo Tube, iComp, Opto-C, Opto-L, British-C, Over EZ, SST'76, FRG444, D357, Sidechain functionality, Simulates analog saturation, Internally double compute depth, Mono and stereo version