🥑 A modern delightful operating system

• UpdatedMar 15, 2025
• C++

🏢 An operating system inspired by brutalist design that combines the ideals of UNIX from the 1970s with modern technology and engineering

• UpdatedAug 22, 2023
• C

C# x64 operating system programming with the .NET native ahead-of-time compilation technology.

• UpdatedMay 24, 2024
• C#

MOROS: Obscure Rust Operating System 🦉

• UpdatedMar 7, 2025
• Rust

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

• UpdatedMar 7, 2025
• C++

opuntiaOS - an operating system targeting x86, ARM and RISC-V.

• UpdatedApr 6, 2023
• C

An x86 monolithic kernel and operating system written in modern C++. Comes with in-house graphical applications and command line utilities, plus ports of existing software. And yes, it runs DOOM!

• UpdatedSep 9, 2024
• C++

A hobby operating system developed from scratch

• UpdatedDec 5, 2021
• C

💾 A minimal, experimental and "toy" monolithic kernel to learn about OS development // Work In Progress

• UpdatedJan 30, 2024
• C

"It is very special"

• UpdatedDec 24, 2024
• C

An operating system written in C

• UpdatedAug 30, 2021
• C

YiYiYa 一个os

• UpdatedJul 15, 2024
• C

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

• UpdatedApr 24, 2023
• C++

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

• UpdatedFeb 5, 2025
• C

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

• UpdatedJun 30, 2024
• C

Operating System from scratch

• UpdatedJan 29, 2022
• C

A hobby operating system written in Zig & C that reimagines classic UNIX ideas for modern technology

• UpdatedMar 16, 2025
• Zig

A operating system made for fun.

• UpdatedDec 20, 2021
• C++

An OS based on UEFI

• UpdatedJul 2, 2024
• C++

Patchwork is a hobbyist OS built from scratch in C for the x86_64 architecture with a monolithic kernel.

• UpdatedJan 17, 2025
• C