Tek'it Audio has released Winkl, a free foldback distortion for VST2, VST3 and Audio Unit plug-in formats. They say that Winkl is not a subtle distortion but is made to make your sounds scream and well suited for bass and leads. Download it for free and have a play with your Winkl.
Pricing and Availability:
Winkl is available to download as a free VST2/VST3/AU plug-in for 32/64-bit Windows and Mac OS X.