ArduPilot/ardupilot
ArduPlane, ArduCopter, ArduRover, ArduSub source
A star delta has been computed for 61,707 of 62,629 tracked repositories in this period, and only those can be ranked in it.
A repository missing here has not been measured far enough back yet. That does not mean it did not move.
Star counts measured between 06:56 and 02:19 (BKK).
ArduPlane, ArduCopter, ArduRover, ArduSub source
The Python Vehicle Simulator is software that supplements the textbook "Handbook of Marine Craft Hydrodynamics and Motion Control," 2nd Edition, by T. I. Fossen, published in 2021 by John Wiley & Sons Ltd.
That's all 2 repositories in this period.