MicroPython - a lean and efficient Python implementation for microcontrollers and constrained systems

The password hash Argon2, winner of PHC

System Shock (PowerMac version / Official GPL Release)

VR Performance Toolkit

A simple daemon to control fan speed on all MacBook/MacBook Pros (probably all Apple computers) for Linux Kernel 3 and newer

A tiny JavaScript runtime for RP2040 (Raspberry Pi Pico)

Doom port for DOS, optimized to be as fast as possible!

Emulation of ISA sound cards and CD-ROM on Raspberry Pi Pico (GUS, SB/Adlib, MPU-401, Tandy, CMS, Panasonic CD-ROM) with USB mouse/joystick support

VGA and BIOS rom font extraction

a numpy-like fast vector module for micropython, circuitpython, and their derivatives

Transform your Raspberry Pi Pico 2 W into a USB to Bluetooth Audio Adapter. Support LDAC and AAC

An optimized PNG decoder suitable for microcontrollers and PCs

A header-only C library to allow access to SPI PSRAM via PIO on the RP2040 microcontroller.

Example code for the blog

A Pico W based RS232 <-> WiFi modem with Hayes AT style commands and LED indicators

A Raspberry Pi Pico synth engine for a toy keyboard, with instrument presets and Midi out

A simple triangle rasterizer using 16.16 fixed-point numbers

Raspberry Pi Pico RP2040 powered Keyboard and Mouse converter, originally a project specifically for the IBM Model F PC/AT keyboard, it is now being expanded to support multiple devices and protocols.

Bluetooth MP3 player for PicoVision