A fork of a chiptune tracker, supporting import of FamiTracker, AHX, FastTracker II and Protracker modules

A high-performance C allocator with explicit heap regions, fragmentation control, and runtime tuning.

id Tech 3 engine with PBR and ray tracing

A tiny printf and sprintf library for small embedded systems

Bitbanged DVI on the RP2040 Microcontroller. Updated to support audio. Also enables audio PWM on Olimex RP2040-PICO-PC

Redstone is Optimism, with off-chain data availability.

VGA/TV display on Raspberry Pico (Linux/cmake)

Linux on a Commodore C64

Personal Quake III Arena toy engine based on my old XreaL Q3A project (2006 - 2011)

The ioquake3 community effort to continue supporting/developing id's Quake III Arena

a city simulation game. Forked from micropolis (the simcity classic opensource version) and implemented numerous new improvements eg. more realistic traffic/new pathfinding, new buildings, technolo…

Modernized DOOM3/idTech4 engine: ported to modern OpenGL (core profile), enhanced visual effects, improved performance, improved editor, more to come

Library for embedding a Rebol interpreter into C codebases

Source code of 8-bit GEOS 6.0 for the MEGA65

Contiki OS for 6502 based computers

FX68K 68000 cycle accurate SystemVerilog core

NVIDIA’s implementation of RTX ray-tracing in Quake II

Open-source KVM software

Software Automatic Mouth - Tiny Speech Synthesizer

Zen Patched Kernel Sources

Reference implementation of netcode.io

Official NetHack Git Repository

LÖVE ported to the web using Emscripten, updated to the latest Emscripten and LÖVE (v11.5)

Port of uae4arm for libretro (rpi/android)

A cross-platform, GPU-accelerated terminal emulator

A legible monospace font... the very typeface you’ve been trained to recognize since childhood

Suggest changes to Bevy and view accepted designs

Optimized firmware for RepRap 3D printers based on the Arduino platform.