Syntler Drumper 1

Drumper is an original groovebox designed by Russian developer Synthler, available as a VST plug-in for Windows.
Drumper gives you the ability to player two drum/percussion kits simultaneously and mix them together or with the included rhythm pattern presets.
The GUI gives you access to delay, phaser and repeat effects, volume control for the snare, hi-hats and percussions, one envelope, two LFOs with depth, speed, shape and sync adjustments. You also get accent and open hi-hat lines and Syntler has included 11 patterns with random variant. You can also edit and create patterns.
Last, Drumper can be controlled from your MIDI keyboard.

http://www.syntler.com/