ears99

freeCodeCamp

freeCodeCamp.org's open-source codebase and curriculum. Learn to code for free.

free-programming-books

:books: Freely available programming books

linux

Linux kernel source tree

Apollo-11

Original Apollo 11 Guidance Computer (AGC) source code for the command and lunar modules.

vim

The official Vim repository

MS-DOS

The original sources of MS-DOS 1.25, 2.0, and 4.0 for reference purposes

os-tutorial

How to create an OS from scratch

math-as-code

a cheat-sheet for mathematical notation in code form

DOOM

DOOM Open Source Release

UnityCsReference

Unity C# reference source code.

hello-world

Hello world in every computer language. Thanks to everyone who contributes to this, make sure to see contributing.md for contribution instructions!

Quake

Quake GPL Source Release

pokered

Disassembly of Pokémon Red/Blue

DOOM-3

Doom 3 GPL source release

NetHack

Official NetHack Git Repository

daggerfall-unity

Open source recreation of Daggerfall in the Unity engine

virtualagc

Virtual Apollo Guidance Computer (AGC) software

algorithm-archive

A collaborative book on algorithms

wolf3d

The original open source release of Wolfenstein 3D

simh

The Computer History Simulation Project

kit

Kit: a magical, high performance programming language, designed for game development.

libtcod

A collection of tools and algorithms for developing traditional roguelikes. Such as field-of-view, pathfinding, and a tile-based terminal emulator.

its

Incompatible Timesharing System

AppleWin

Apple II emulator for Windows

atari800

Atari 8-bit computer and 5200 console emulator

3DGameEngine

thebennybox 3D Engine Tutorial Files

OS_Development