Raspberry Pi Pico Arduino core, for all RP2040 and RP2350 boards

Sming - powerful open source framework simplifying the creation of embedded C++ applications.

Blazing fast library to create a functional, on-device dashboard for ESP32, RP2040+W and RP2350+W microcontrollers

✈️ Multi-functional, compatible DIY general aviation proximity awareness system

Flight controller software for hobbyist - build your own flight controller.

A firmware platform aimed at quick prototyping, built around FreeRTOS and a feature-packed CLI

NES Emulator with SD card and menu support for the Raspberry PI Pico, Pico 2 and other RP2040/RP2350 based microcontrollers. Play your games from SD card on a HDMI display.

µCNC - Universal CNC firmware for microcontrollers

Flight Controller for ESP32 / Raspberry Pico / STM32

RISC-V linux on the raspberry pi pico 2

High Speed Data Acquisition over HDMI - RP2350 HSTX implementation

A not-so-small Forth for Cortex-M

Build and uploads LittleFS filesystems for the Arduino-Pico RP2040, RP2350, ESP8266, and ESP32 cores under Arduino IDE 2.2.1 or higher

A tiny shell for Pico and Pico2, with file system, Vi and C compiler

Bit-banged 100 MBit/s Fast Ethernet transmitter and UDP framer for Raspberry Pi RP2040/RP2350

RP2040/RP2350 286 PC emulator for MURMULATOR dev board

The most flexible ROM replacement for retro systems - using a sub-$2 Raspberry Pi RP2350 or STM32 microcontroller.

Modular POSIX-like flash OS for microcontrollers based on MicroPython

ML_SynthTools

Hi-Res WAV player for Raspberry Pi Pico / Pico 2