1351 Open source projects that are alternatives of or similar to 98

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

Prototype HTML5 Desktop OS

JS-based Linux desktop environment.

AquilaOS: UNIX-like Operating System

Free, simple, extremely lightweight, stackless, cooperative, co-routine system (OS) for microcontrollers

A hand-made SMP-aware kernel

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

An Understandable 6502 Emulator

YiYiYa 一个os

Desktop environment in the browser.

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

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!

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

Operating system designed to be fast and secure.

opuntiaOS - an operating system targeting x86, ARMv7, Aarch64

Technology is free, SnowFlakeOS

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

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

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

Operating system for x86_64 based around a "keep it simple and make it work" philosophy.

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

A community driven OS by the youth

An AArch64 hobbyist OS for the Raspberry Pi 3 B+

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.

A small kernel + OS based on how dreams work

《30天自制操作系统》源码中文版。自己制作一个操作系统（OSASK）的过程

🏠 Homepage of the @GreenteaOS

Kernel for my operating system KoraOS

(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

Vinix is an effort to write a modern, fast, and useful operating system in the V programming language

An operating system that doesn't try to be UNIX. Made completely from scratch with its own bootloader. 😊

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

Plugin pack for making 2D games with Bevy

A micro real-time operating system supporting task switching, delay function, memory allocator and critical section. It is writen on ARM Cortex-M3 assemble language, it runs successfully on STM32F103 MCU.

An operating system created in c#, Made possible by the cosmos community!

A curated list of awesome things related to HarmonyOS. 华为鸿蒙操作系统。

Another NES Emulator - written for fun & learning - first implementation of wideNES

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

Nautilus Aerokernel

The FoxOS main repository

The operating system written in Rust

后台开发基础知识总结（春招/秋招）

An x86_64 hobbyist OS written in C and Assembly

A simple OS running on Intel x86 architecture | No longer updating

A small operating system where I experiment and learn osdev.

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。

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

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

Operating System Coded in Assembly and C

WebMSX - Online MSX Emulator

The Lemon Operating System https://lemonos.org

Retro ESP32 is a turbo charged Odroid Go Launcher, Emulator and ROM Manager

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…

📚 Learn to write an embedded OS in Rust 🦀

Systeme d'exploitation

👨‍💻An operating system, built from scratch in C.

Microkernel and userspace written in Rust exploring modern ideas

A toy monolithic kernel written in C++

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.