OpenCat is the open-source Arduino and Raspberry Pi-based quadruped robotic pet framework developed by Petoi, the maker of futuristic programmable robotic pets. Inspired by Boston Dynamics' Big Dog and Spot Mini, Dr. Rongzhong Li started the project in his dorm in 2016. After one year of R&D, he founded Petoi LLC and devoted all his resources to the startup. The goal is to foster collaboration in