Ultra Trigga FX by AZ Audio (Windows) FREE!
Dead Beats by Scott Monteith (Reaktor) (you can get this one free here)
Live Cut by Smart Electronix (Windows and OSX) FREE!
Effectrix by Sugar Bytes (Windows and OSX)
Shattersync by Pluggotic (Windows) FREE! (Based on Shattershot Lite by DarkWare)
Konkrete and Konkrete 2 by Soniccouture (Kontakt)