MSD Denoiser is a one-knob noise gate for guitar, with lookahead. On a high-gain tone the silence is part of the riff. A palm-muted chug only hits if it actually stops, and most gates either chop your note or let the hiss leak through. This one looks ahead, so the start of every note stays whole and the gaps go dead quiet. One knob. Put it in front of your fuzz or after your amp, turn it up until the hiss is gone, and play the tightest riff you've got. VST3 and standalone for Windows 64-bit. Free. Pay what you want if it makes you play more.