I believe loopdon already submitted this one but it got updated and now have a GUI:
DualComp is a compressor utility plugin with a unique and warm sound, which is logarithmically calculated. In addition, DualComp has sidechaining capabilities, allowing an input signal (such as a kick drum) to "punch" through.
DualComp is in alpha testing, and may be unstable.
http://www.teragon.org/products/DualComp/
Mac OSX:
http://www.teragon.org/downloads/Dua...-1.0-beta2.zip
Windows:
http://www.teragon.org/downloads/Dua...-1.0-beta2.zip