Other
A simple and useful Forth for Nano.
Forth in .ino that can be loaded into Nano/UNO. You can interact with it via Serial Monitor or Bluetooth to control pins. Your "app" can be saved into EEROM for autorun on reboot. Interrupt and multi-tasking are also supported.
Maintainer: chochain
This library is compatible with all architectures so you should be able to use it on all the Arduino boards.
To use this library, open the Library Manager in the Arduino IDE and install it from there.