I've made a few things dedicated to bass, mostly on vero except the 1 knob fuzz, Linedriver, and Bass DI.
Random Stranger: an all in one with a Mictester's Really Cheap Compressor, 1 knob fuzz, NE-1 preamp, and THC XLR linedriver (probably my 4th build - and it shows!).
Funkasaurus...