A small but handy front-of-chain utility: clean gain trim, phase invert, a mains-hum filter (a comb of notches at 60 Hz and its harmonics), and a single-coil→humbucker voicing. The voicing re-voices a single-coil pickup toward one of three target bridge humbuckers — ’59 Bucker (warm late-’50s vintage), Norse Hammer (hot ceramic) or Modern Flux (active hi-fi) — with an Amount control (0 = bypass). Minimal CPU; runs on every target.

Free and open source (GPL-3).

Credit: Ryan Powell