Top 119 osdev open source projects

An operating system written in C++, MSVC

Homebrew formulas for buildling a valid GCC toolchain for the i386-elf target.

An x86 real mode multiboot-ish ELF bootloader

Microkernel and userspace written in Rust exploring modern ideas

a 64 bit x86 operating system

Operating System development experiment in Ada

x86-64 assembly µkernel

xtrix OS repo

Main kernel tree

The Gee (寂) Operating System, written in YuLang.

64 bit monolithic nt-style kernel

Hobby Operating System

Reimplementation of the Nintendo Switch firmware

A simple "Unix-like" kernel trying to be POSIX compliant

A minimal 64-bit rust kernel and a bunch of configuration scripts that can be used to bootstrap Operating system development using Nightly-Rust compiler.

Hobbyist Operating System targeting x86_64 systems. Includes userspace, Virtual File System, An InitFS (tarfs), Lua port, easy porting, a decent LibC and LibM, and a shell that supports: piping, file redirection, and more.

TempOS Project: TempOS is an educational and multi purpose Operating System

Experimental Stand-alone 32-bit Kernel with Bootloader written in AT&T Assembly and Freestanding C

Barebones amd64 kernel built using 9front

Yet another hobby x86 UNIX-like operating system written in C and C++. Features a dynamically linked userspace, an in-house c standard library, and more! And yes, it runs DOOM.

A BSD-based OS project that aims to provide an experience like and some compatibility with macOS (formerly known as airyxOS)

Our very own Operating System built from scratch for x86 architecture systems!

A developing operating system

Technology is free, SnowFlakeOS

A clean, well-written minimalist operating system designed to be used as an educational material for operating system development. [My flagship repo.]

A WIP 64-bit UNIX-like kernel

A sweet hobby made operating system written in C++ for x86 CPUs with GUI

Running x86-16 or x86-32 code from x86-64 UEFI; _very experimental_ • mirror of https://gitlab.com/tkchia/biefircate • developer notes at https://gitlab.com/tkchia/biefircate/-/blob/main/doc/NOTES.asciidoc

SynapseOS - модульная операционная система на языке C.

👷🏻‍♂️ An easy starting point for your first OS/Kernel

Specifications for the tabfs filesystem (osdev) | Mirror of https://codeark.it/Chalk-OS/tabfs-specs

Compiler, standard library & backends

A hand-made SMP-aware kernel

Configure and build dahliaOS Linux-based builds

Operating system designed to be fast and secure.

UEFI ELF Bootloader example

osFree - open source Operating System/2 clone, usermode parts.

A simple kernel written in Rust for studying purposes.

A portable, ROM-booting hobby OS. Currently supports m68k, arm, and PowerPC targets

OS for pentesting, programming, and playing video games. Contributions welcome!

Tupai is a multi-tasking operating system I wrote for my degree that focuses on safety and design, targeting a variety of platforms.

(Inactive, Checkout AvanaOS, Rewrite of this) This is a New Operating System (Kernel right now). Made completely from scratch, We aim to make a complete OS for Learning purpose

Super-simple OS

A Basic x86 Operating System/Kernel

MOROS: Obscure Rust Operating System 🦉

💻 A small operating system written from scratch

a experimental monolithic kernel in rust

MoonOS (just a kernel atm) is a micro kernel designed for the x86_64 and arm architecure.

🏠 Homepage of the @GreenteaOS

Kernel for my operating system KoraOS

Hobby operating system for amd64 with high ambitions - mirror

🦠 µnix is a UNIX-like operating system

Ada Bare Bones OS development tutorial source code

An hobby OS written in modern C++20 which aims to be Unix-like. Currently based on EvangelionNG, a GhostOS derived kernel

A microkernel based operating system developed from scratch. This repository also includes all Saturn services and applications.

🔮 A UNIX-like toy kernel built from scratch (for AArch64) with preemptive multi-threading, VM, CoW fork(), buddy, slob, VFS, FAT32.

Rust operating system running WebAssembly as userspace in ring 0

A Type-1 hypervisor aimed to implement kernel hotswapping

My hobby operating system microkernel written in Rust