789 Open source projects that are alternatives of or similar to MoonOS

A simple, clean code, multi-tasking operating system written in pure assembly language for 64-bit processors from the AMD64 family.

A completely-from-scratch hobby operating system: bootloader, kernel, drivers, C library, and userspace including a composited graphical UI, dynamic linker, syntax-highlighting text editor, network stack, etc.

Microkernel and userspace written in Rust exploring modern ideas

Rust operating system running WebAssembly as userspace in ring 0

An x86_64 hobbyist OS written in C and Assembly

Dennix is a unix-like hobbyist operating system written from scratch.

The Operating System (for x86_64) written in Crystal as much as possible

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

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

A toy monolithic kernel written in C++

a little 64bit operating system written in c++ with smp support

A hand-made SMP-aware kernel

Operating system designed to be fast and secure.

MOROS: Obscure Rust Operating System 🦉

UNIX-like operating system written in C and C++

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

Unikraft is an automated system for building specialized POSIX-compliant OSes known as unikernels. (Core repository)

Non-unix, custom-API hybrid OS kernel written in C++ which can be thought of as an emulated microkernel. The native API is almost fully asynchronous and the kernel is aimed at high-scaling, high-throughput-requiring multiprocessor workloads, with working support for SMP and NUMA already implemented. Join the IRC channel, #zbz-dev on freenode!

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.

A unix operating system written from scratch in c that gives support for arm, x86

The FoxOS main repository

A simple hobby operating system for the x86-64 architecture, written in C.

My hobby operating system microkernel written in Rust

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.

🏠 Homepage of the @GreenteaOS

🦠 µnix is a UNIX-like operating system

(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

A proof-of-concept microkernel that implements a WebAssembly "usermode" that runs in Ring 0.

Lua + SQLite + musl libc running on x86.

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

A 64-bit SMP-safe kernel for the PC architecture.

Technology is free, SnowFlakeOS

AquilaOS: UNIX-like Operating System

华为鸿蒙分布式操作系统（Huawei OpenHarmony）开发技术交流，鸿蒙技术资料，手册，指南，共建国产操作系统万物互联新生态。

A small operating system where I experiment and learn osdev.

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

an experimental 64-bit operating system

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

FOMOS stands for: Free, Open source, Mobile, Operating, System.

A kernel written in Rust

A community driven OS by the youth

Operating System

Kernel for my operating system KoraOS

x86_64 OS kernel with completely async userspace and single address space [WIP; but basic kernel functionality implemented]

Abandoned overcomplicated Microkernel using modern x86_64 features

NOTICE: The ToaruOS-NIH Project has been MERGED UPSTREAM. This repository is now archived.

Operating System

RocketOS is a Unix based OS that uses legacy BIOS and GRUB and is written in C17. It is being developed for educational purposes primarily, but it still is a serious project. It is currently in its infancy.

Operating System Coded in Assembly and C

A free Windows-compatible Operating System

🍬 All-new kernel for @GreenteaOS

🍵 Userspace of the @GreenteaOS

xtrix OS repo

Free Pascal Operating System (FPOS) is a operating system consists of a minimal kernel built on FreePascal. It contains a Scheme implementation of a hard drive (ATA) driver, keyboard (PS2), serial (8250 UART), FAT32 filesystem and a small real time clock manager. The project was built to experiment with developement of operating system using a h…

An operating system written in C

A hobby operating system developed from scratch

The Stupid Operating System

Frosted: Free POSIX OS for tiny embedded devices

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

"It is very special"