As noted by former Keyboard Magazine editor Jim Aikin, BreakTweaker is now on sale for $10 at Plugin Boutique.
https://www.pluginboutique.com/product/1-Instruments/7-Drum-Machine/834-BreakTweaker-Expanded
While not quite free, ten-buckaroonies for what is normally a $250 package is a great deal.
Here is BreakTweaker explained: