A Tiny Linux-Compatible Kernel

An RSA🔐 implementation in C, using arbitrarily large integers

UPX - the Ultimate Packer for eXecutables

UNSCII, a Unicode bitmap font family inspired by classic computer systems.

Bare metal Raspberry Pi 3 tutorials

Tutorial: Writing a "bare metal" operating system for Raspberry Pi 4

My hobby OS kernel

Portable asynchronous microkernel implementing multiprocessor priority scheduling and Unix-like abstractions

Bootable PC demo/game kernel

Source codes for the "Write your own Operating System" video-series on YouTube

SDK for building cross-platform desktop apps in ANSI-C

xv6 OS

Linux kernel source tree

A tiny but powerful VGA text mode font editor for DOS

A x86 32bit Hobby Operatingsystem with graphics, multitasking, networking and 32bit C-Compiler for i386 architecture.

A WIP custom built OS

How to Make a Computer Operating System in C++

Lunaris 2: The successor to Lunaris

💾 Amd64 operating system in C. Trying to make a full OS, with a simple and readable codebase!

An operating system, but it only plays Tetris.

A list of operating systems and stuff

A Simple operating system meant for educational purposes.

A simple template for building a Limine-compliant kernel in C.

Forth OS UEFI

Simple GUI based Operating System - Based upon my own Microcokernel, heavily inspired by the original 1980s AmigaOS (though somewhat simpler).

32-bit operating system written from scratch, with alternative user interface, designed for older computers with intention to provide system that will make them usable again

How to create an OS from scratch

A simple UNIX-like operating system