726 Open source projects that are alternatives of or similar to Sparrow

The Lemon Operating System https://lemonos.org

A UNIX-like kernel for the i386 architecture

Experimental operating system written in Zig

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

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.

SerenityOS is a love letter to '90s user interfaces with a custom Unix-like core. It flatters with sincerity by stealing beautiful ideas from various other systems.

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

Nautilus Aerokernel

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

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

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.

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…

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

Microkernel and userspace written in Rust exploring modern ideas

鸿蒙系统资料。Docs about HarmonyOS.

📚 Learn to write an embedded OS in Rust 🦀

AquilaOS: UNIX-like Operating System

A hand-made SMP-aware kernel

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

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

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

An x86_64 hobbyist OS written in C and Assembly

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

A community driven OS by the youth

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

Technology is free, SnowFlakeOS

Frosted: Free POSIX OS for tiny embedded devices

A toy monolithic kernel written in C++

A small kernel + OS based on how dreams work

An AArch64 hobbyist OS for the Raspberry Pi 3 B+

Operating system designed to be fast and secure.

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

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

A free Windows-compatible Operating System

Operating System Coded in Assembly and C

An operating system written in C

🍬 All-new kernel for @GreenteaOS

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。

Microkernel and userspace written in Rust exploring modern ideas

The operating system written in Rust

A small operating system where I experiment and learn osdev.

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

Rust implementation of Xinu educational operating system

Supports de cours

oneOS

Phoenix-RTOS microkernel repository

Modern operating system aimed at running WebAssembly code.

Cat System Workshop is a regular meet-up focusing on “system software”. We would like to gather all developers to share their experience regarding system software and learn from each other, making system software more perfect and complete!

A secure embedded operating system for microcontrollers

JS-based Linux desktop environment.

OS kernel labs based on Rust/C Lang & RISC-V 64/X86-32

µC/OS-III is a preemptive, highly portable, and scalable real-time kernel. Designed for ease of use on a huge number of CPU architectures.

xbook2是一个基于x86处理器的32位操作系统，实现了大量的基础功能，可以拿来学习操作系统知识。

A comparison of operating systems written in Rust

Cloud Kernel - an open-source Linux kernel originated by Alibaba Operating System Team

Sian's Operating System

《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