Raspberry Pi Pico Arduino core, for all RP2040 and RP2350 boards
Hamradio SDR transceiver software
MIDI sequencer using Raspberry Pi Pico in Arduino & CircuitPython
Arduino LoRa EBYTE E32 device library complete and tested with Arduino, esp8266, esp32, STM32 and Raspberry Pi Pico (rp2040 boards). sx1278/sx1276
Arduino API Library for the Raspberry Pico
Arduino library to play MOD, WAV, FLAC, MIDI, RTTTL, MP3, and AAC files on I2S DACs or with a software emulated delta-sigma DAC on the ESP8266 and ESP32 and Pico
A simple FTP server for Arduino, ArduinoSAMD WiFiNINA, esp8266, esp32, stm32 and Raspberry Pi Pico W
Example of using platformio, arduino, TFT_eSPI and lvgl on raspberry pi pico using arduino framework
Build and uploads LittleFS filesystems for the Arduino-Pico RP2040, RP2350, ESP8266, and ESP32 cores under Arduino IDE 2.2.1 or higher
luckfox-pico sdk
Pico TensorFlow Lite Port
Use a raspberry pi pico (rp2040) as a logic analyzer and oscilloscope with sigrok
Tools and Python libraries for manipulating Pico-8 game files. http://www.lexaloffle.com/pico-8.php