A menagerie of cute implementations of modern typechecking algorithms

Simple Pacman clone written in C99.

8-bit chip and system emulators in standalone C headers

minimal cross-platform standalone C headers

Plain English programming

The lcc retargetable ANSI C compiler

A Bestiary of Single-File Implementations of Programming Languages

Full-blown preprocessor metaprogramming

Minimal, efficient, statically-typed and meta-programmable systems programming language heavily inspired by Lua, which compiles to C and native code.

Portable Python 3.x Interpreter in Modern C for Game Scripting

Minimal implementations for dependent type checking and elaboration

A self-hosting compiler for the Lua language.

ABC: System for Sequential Logic Synthesis and Formal Verification

An IBM PC/XT emulator written in Rust.

Project IceStorm - Lattice iCE40 FPGAs Bitstream Documentation (Reverse Engineered)

Andrew Jenner's various personal projects

A Modern C11 compiler (STILL EARLY)

x86 CPU tester for emulators

RTL8019-based ISA network card, NE2000-compatible

A modern, scratch-built, open-source (GPLv3) alternative ROM BIOS for PC, XT, 8088 Clone or Turbo PCs.

IBM AT 80286 BIOS

BIOS for Intel 8088 based computers

First published Open Source implementation of OpenFirmware

xv6 OS

Simple, single-file, dependency-free GDB stub that can be easily dropped in to your project.

21 Lessons, Get Started Building with Generative AI

AutoGPT is the vision of accessible AI for everyone, to use and to build on. Our mission is to provide the tools, so that you can focus on what matters.

Parsing ELF and DWARF in Python

SmartDec decompiler