Another free VST drum to add to your instrument plugins folder is the ErsDrums from Andreas Ersson.
ErsDrums is a VST 2.3 compatible drum machine.
All sounds are calculated in “real time”, no samples are used.
Features: Two Kicks
Two Snares
Two Blipps
One Clap
One Claves
One Hihat
(Open/Closed)
One Crash
Individual output channels for each drums sound
Key Mode
Individually selectable midi channel for each drum
Midi automation and midi learn
Download for free here ErsDrums