The Cat is a simple but great sounding overdrive pedal, based on the OP275 IC.
Parts list (BOM): cat_BOM_en
Schematic and pcb: catschalt
Wiring layout: catwire
The Foxx is a real Tone Machine, and delivers a classic Octave Fuzz Sound.
Here are the required documents:
Parts list (BOM): foxx_BOM_en
Schematic and pcb: foxxschalt
Wiring layout: foxxwire