Clip-R is a stereo effect which allows you to trim/clip the ceiling (top) and floor (bottom) of any audio you put through it, it also features a boost control which happens before the clipping and can be used to distort the signal in combination with clipping. The left channel is shown in green and the right in red, the clipping level is show in black and this lets you see exactly what is happening to the signal. The effect works well on basses and basic waveforms like a saw etc and can change the shape.
free vst pc.
Distroyr is a free stereo distortion VST effect which features a range of different algorithms which effect and generally distort the incoming audio, depending on the settings you can have analog sounding warmth to your sound to very heavy clipped and crushed sounds. There is a total of 7 different distortion processes including feedback, signal clipping, bit crush and valve distortion to effect your sounds.
Wave changer 3 is a free PC VST audio plugin that replaces your sound waves with simple waveforms. It distorts the sound in unusual ways, ranging from weird to horrible.
Try it on some drum loops!