There actually used to be a "legOS" project (homebrew firmware for the original Lego Mindstorms) and they were politely but firmly asked to change their name.

There actually used to be a "legOS" project (homebrew firmware for the original Lego Mindstorms) and they were politely but firmly asked to change their name. https://news.lugnet.com/robotics/rcx/legos/?n=2641 https://news.lugnet.com/robotics/rcx/legos/?n=2641