stb single-file public domain libraries for C/C++

A little fail-safe filesystem designed for microcontrollers

cc65 - a freeware C compiler for 6502 based systems

FuzixOS: Because Small Is Beautiful

How to write a very simple JIT compiler

Custom Minecraft Classic / ClassiCube client written in C from scratch (formerly ClassicalSharp in C#)

Raspberry Pi Pico (RP2040) based IPL replacement modchip for GameCube

Open source minimal stack for the ch32 line of WCH processors, including the ch32v003, a 10¢ 48 MHz RISC-V Microcontroller - as well as many other chips within the ch32v/x line.

PVSnesLib : A small, open and free development kit for the Nintendo SNES

Open source library for N64 development.

A Simple Unix-like operating system

The Amsterdam Compiler Kit

Raspberry Pico powered Xilinx Virtual Cable - Xilinx JTAG Cable! This is now quite fast, thanks to tom01h! We also support JTAG + serial terminal over a single cable now. Now with (slow) WiFi suppo…

MLPerf® Tiny is an ML benchmark suite for extremely low-power systems such as microcontrollers

Handheld RISC-V Mini Game Console with OLED Display

SDK for developing with the llvm-mos compiler

Snek programming language for tiny systems

Restoration of 1st Edition UNIX kernel sources from Bell Laboratories

GDB-compatible RISC-V Debugger for CH32V003 that runs on a Raspberry Pi Pico

GNO is the UNIX-like environment for the Apple IIgs

A FUSE module for accessing ancient Unix filesystems.

Wolfenstein 3D for Gameboy Color

Original 2.11BSD Unix distribution with sources

A collection of 68k computer projects, including a unix-like operating system written in C that runs on them

C API drivers for PYNQ FPGA board

A tiny operating system running on 8086

An open source Terraria Clone for the gameboy!

A wearable platform for social interaction studies

Sega Megadrive/Genesis terminal emulator, telnet and IRC client