Here’s one particularly of Trigger 2 that makes seeking a free version appealing: The "Drum X-Ray" / Envelope Followers Trigger 2 doesn't just detect MIDI or simple transients. Its Envelope Followers can separately track the attack , sustain , and release of your original drum recording.
It seems you're looking for an related to a "Trigger 2" free download — likely referring to Trigger 2 Platinum by Steven Slate Drums , a popular drum replacement and augmentation plugin. trigger 2 free download
If you meant a (e.g., a synth, effect, or game tool), please clarify and I'll adjust the answer. Here’s one particularly of Trigger 2 that makes