OpenCPC distributes firmware built using the following projects:

• https://github.com/IndoorCorgi/picoboot3/ (MIT)

• https://github.com/lvgl/lvgl (MIT)

• https://github.com/carlk3/no-OS-FatFS-SD-SDIO-SPI-RPi-Pico/ (Apache 2.0)

• https://github.com/atmel-maxtouch/mxt-app (Permissive; specifically the libmaxtouch component)

• https://github.com/raspberrypi/pico-sdk (BSD)