Optiboot (an older version) is installed by default on the Arduino Uno and (as of 2018) official Arduino Nano boards. It can be installed on all older mega8, 168 or 328 based Arduinos. As of 2019, ...

In case of you are unhappy with the z-axis-rotation of your joystick as a steering tiller, this might be interesting for you. The little project was done on a sunday ...