I'm not even being sarcastic here, I genuinely ask if you know of its existence because there's not a single software I ran in my entire life that survived the gold ol' Ctrl+Alt+Del > pick process > "end task"
It asks the software to consider ending itself alright. With a hollow point copper slug and the barrel in its target's mouth.
Then again, I'm not exactly a software dev so maybe you know something don't ?