Atomsplitter Audio has released Distroyr, a free stereo distortion VST effect for Windows featuring a range of different algorithms which effect and generally distort the incoming audio. Depending on the settings you can add anything from subtle "analog sounding warmth" to "very heavy clipped and crushed sounds" to your audio. There is a total of 7 different distortion processes including feedback, signal clipping, bit crush and valve distortion to effect your sounds.