An open-source OS project that aims to provide source and binary compatibility with macOS® and a similar user experience.
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A minimal, resource efficient unikernel for cloud services
- unikernel
- virtualization
- operating-system
- cpp
Asterinas aims to be a production-grade Linux alternative—memory safe, high-performance, and more.
Talk to God on up to 64 cores. Final snapshot of the Third Temple.
- templeos
- holyc
- mirror
- cia
Read-only git conversion of OpenBSD's CVS src repository. This only includes the main branch; use CVS for -stable or release branches. Send any diffs to the tech@ mailing list.
A next-generation cloud native kernel designed to unlock best-in-class performance, security primitives and efficiency savings.
- unikernel
- unikraft
- library
- application
Official MINIX sources - Automatically replicated from gerrit.minix3.org
Lightweight, Linux-compatible kernel, written in Rust to leverage the safety of the typesystem. Aiming to remove as much legacy as possible while supporting most usecases
Shredos Disk Eraser 64 bit for all Intel 64 bit processors as well as processors from AMD and other vendors which make compatible 64 bit chips. ShredOS - Secure disk erasure/wipe
- disk
- eraser
- erase
- erase-disk
Cosmos is an operating system "construction kit". Build your own OS using managed languages such as C#, VB.NET, and more!
- hacktoberfest
Theseus is a modern OS written from scratch in Rust that explores 𝐢𝐧𝐭𝐫𝐚𝐥𝐢𝐧𝐠𝐮𝐚𝐥 𝐝𝐞𝐬𝐢𝐠𝐧: closing the semantic gap between compiler and hardware by maximally leveraging the power of language safety and affine types. Theseus aims to shift OS responsibilities like resource management into the compiler.
Browsix is a Unix-like operating system for the browser.
- browserfs
- unix-like
- javascript-framework
Darwin is the Open Source core of macOS, and PureDarwin is a community project to extend Darwin into a complete, usable operating system.
- darwin
- operating-system
- hacktoberfest
The Zeal Operating System is a modernized fork of the 64-bit Temple Operating System, TempleOS.
- templeos
- holyc
- terry-davis
- zenithos
MentraOS is the leading smart glasses OS. See live captions, stream your view, talk to AI, and capture photos hands-free on compatible glasses.
- activelook
- conversational-ai
- smart-glasses
- smartglasses
The Haiku operating system. (Pull requests will be ignored; patches may be sent to https://review.haiku-os.org).
- operating-system
- beos
- haiku
bootOS is a monolithic operating system in 512 bytes of x86 machine code.
iOS 16 userland + XNU on Redmi Note 12?
NT-like POSIX-compatible operating system
General-purpose, formally-verified, 64-bit operating system in SPARK/Ada for x86-64
🛡️ Free AI that blocks hackers while you sleep. Runs on cheap hardware. When someone in Tokyo gets attacked, you're protected in 30 seconds. No fees. No experts needed. Just protection. One node's detection → everyone's protection.
- ai-security
- cybersecurity
- ids
- iot-security
An attempt at a minimalistic and secure operating system.
A small x86 32-bit operating system.
- assembly
- basic-operating-system
- c
- kernel