arduino/arduino is the legit software from the majority of the arduino team. arduino-org/arduino is a hostile fork from 1 of the 5 original founders who was pu

arduino/arduino is the legit software from the majority of the arduino team. arduino-org/arduino is a hostile fork from 1 of the 5 original founders who was put in charge of the manufacturing spinoff, as a result of the other 4 members expressing a desire to end the exclusive manufacturing contract.