Awesome Operating System
Stuff
This list contains awesome OS related stuff. It contains open source
operating sytems and hobby operating systems as one can study their code
and learn from them.
Open Source Operating
Systems
- 9front - A fork of Plan 9, designed
for distributed, networked computing.
- ackOS - A
simple 64-bit operating system.
- AROS - Research Operating
System is a lightweight, efficient, and flexible desktop operating
system, designed to help you make the most of your computer. It’s an
independent, portable and free project, aiming at being compatible with
AmigaOS at the API level
- BoneOS- OS for
everyone built by everyone
- Bottlerocket
OS- Linux-based OS meant for hosting containers.
- Charlotte -
CharlotteOS kernel in Rust
- ChibiOS - a complete
development environment for embedded applications including RTOS, an
HAL, peripheral drivers, support files and tools
- Clive - A unikernel OS
inspired by Plan9 and Nix developed at Universidad Rey Juan Carlos
of Madrid
- dahliaOS- dahliaOS is a modern,
secure, lightweight and responsive operating system, combining the best
of GNU/Linux and Fuchsia OS.
- eggos - A Go unikernel
running on x86 bare metal
- Embox - Configurable
operating system kernel designed for resource constrained and embedded
systems.
- ExectOS, GitHub - ExectOS is a
modern, EFI-enabled, general purpose operating system written from
scratch and implementing the XT architecture. It runs on x86 and x86_64
architectures and provides NT drivers compatibility layer.
- Fiwix, GitHub - A UNIX-like kernel
for the i386 architecture.
- FreeRTOS, GitHub - IoT operating
system for microcontrollers, by Amazon.
- Genode - A FOSS operating system
framework consisting of a microkernel abstraction layer and a collection
of userspace components
- gopher-os - A
proof of concept OS kernel written in Go
- GreenteaOS, Github - A free OS
designed to be compatible with Windows executables
- HarveyOS - A distributed
operating system
- HelenOS -
multikernel multiserver OS
- RavynOS - A
BSD-based OS project that aims to provide an experience like and some
compatibility with macOS (formerly known as airyxOS)
- Hubris - Hubris is an
operating system for microcontrollers developed by Oxide Computer
Company in Rust
- Illumos - illumos is a Unix
operating system which provides next-generation features for downstream
distributions (like OmniOS, OpenIndiana, and Tribblix)
- Interim - Minimalist
OS with concepts from Lisp machines and Plan9
- Jehanne, GitHub - OS inspired by
Plan9, 9front and Harvey OS
- KnightOS - for
z80 calculators
- L4re -
Operating system and hypervisor for security/safety-critical and
virtualization-enabled applications.
- managarm -
Pragmatic microkernel-based OS with fully asynchronous I/O
- MentOS - An
educational 32-bit linux-like Operating System.
- Mimiker, GitHub - Simple unix-like
operating system for education and research purposes. MIPS
microkernel.
- Minoca OS - General
purpose OS, written in C
- MollenOS -
MollenOS/Vali is a modern operating system that is built with focus on
abstraction and a modular design, allowing anyone to port it to any
architecture. It currently targets the x86-32 and x86-64 platform
- Nanos - Unikernel
that is linux-compatible, written in C
- NESOS - An OS for the
Nintendo Entertainment System!
- NodeOS - OS using
NodeJS and Linux
- octox - Unix-like OS in
Rust inspired by xv6-riscv
- opuntiaOS - an
operating system targeting x86, ARMv7, Aarch64.
- orange_slice - A
research kernel and hypervisor attempting to get fully deterministic
emulation with minimum performance cost. In Rust
- Pidi OS -
Independent and minimalistic OS
- Qubes OS - Security-focused OS
built on the Xen hypervisor, designed to isolate different compartments
based on levels of trust.
- ravynOS -
BSD-based OS project that aims to provide an experience like and some
compatibility with macOS (formerly known as airyxOS)
- Redox - written in
Rust
- RustyHermit
- A Rust-based, lightweight unikernel
- Sanos, GitHub - Sanos is a
minimalistic 32-bit x86 operating system kernel for network server
appliances running on standard PC hardware.
- skiftOS, GitHub - A simple, handmade,
operating system with a graphical user interface.
- Sculpt OS - Genode
based OS
- soso - Simple unix-like
operating system written in Nasm assembly and mostly in C
- SynestiaOS -
32/64 bit operating system written in C for arm platform
- Thor - 64bit
operating system mostly written in C++
- Theseus - A
modern experimental OS written from scratch in Rust to explore novel OS
structure and state management techniques.
- tilck - A Tiny
Linux-Compatible Kernel.
- tock, GitHub - A secure embedded
operating system for microcontrollers
- Unikraft - A
modular unikernel for specialization, high efficiency, performance, and
security; Linux/POSIX-compatible; mostly in C
- Mimosa,
GitHub - Research
Operating System that runs Scheme on bare-metal
- hhuOS - hhuOS is a
small operating system written in C++ and Assembler for the
x86-architecture. The main purpose of this project is to show how
different aspects of operating systems theory can be implemented and
linked together. The system is not aimed to be a full-featured operating
system for daily use.
Hobby
- aurora_os -
Written in Rust.
- quickOS - An OS made by an
independant developer, still in developement, like MS-DOS, but in
qbasic. It’s MADE with qb64.
- AlmeidaOS
- x86-64 OS with its own bootloader, scheduler and limited libc all
written from scratch
- AquilaOS - Operating System that
is designed to be POSIX compliant and mostly ISA transparent
- Animal - 32 bit
multithreaded operating system (formerly Gramado)
- Basekernel - A
simple OS kernel for research, teaching, and fun
- Brutal - An
operating system inspired by brutalist design that combines the ideals
of UNIX from the 1970s with modern technology and engineering
- Cyjon - pure
x64 assembly language operating system (related to Fern-Night
project).
- DragonOS - An
x86-64 OS build from scratch.
- Dreamos64 - An
x86-64 hobby os built from scratch
- duckOS - A hobby
UNIX-like OS with a graphical window manager for x86 computers.
- emerald - An
operating system kernel written for fun in C
- Fern-Night - C
language operating system (related to Cyjon project).
- Fomos - Experimental
OS, built with Rust.
- Gloire - An OS
built with the Ironclad
kernel (a partially formally verified kernel with a small footprint for
general-purpose and embedded OSes, written in SPARK and Ada) and GNU
tools.
- HalideOS -
experimental operating system written entirely from scratch.
- House -
Haskell User’s Operating System and Environment.
- hydrogen - toy OS.
64-bit, preemptive multitasking kernel supporting EFI, PCIe, SATA,
framebuffer graphics mode, HFS+.
- JSD-OS - A small
operating system for 32 bit x86.
- KolibriOS - MenuetOS
fork
- LemonOS, GitHub - UNIX-like
64-bit operating system written in C++.
- lyre - x86 kernel and
distribution powered by mlibc, GNU userland tools, and other common *nix
software.
- Mako - Hobby OS for x86
from scratch, written in C
- MaslOS - A 64
bit GUI multitasking Hobby OS written mostly from scratch in C++ and a
bit of C/ASM.
- MenuetOS - Hobby OS
supporting 32 and 64 bit, written in Assembly language
- MeetixOS -
A hobby OS written in modern C++20 which aims to be Unix-like.
- mOS - A hobby operating
system developed from scratch
- moros - MOROS is a hobby
operating system written in Rust for the x86 architecture.
- MyXomycota -
Monolithic kernel in C
- nopeos - Simple OS
kernel with BASIC interpreter for x86
- Northport -
Monolithic kernel and support libraries for riscv64 and x86_64.
- oneOS - x86-32 and
ARMv7 kernel with pre-emptive multi-threading, window manager and
editor
- pranaOS - A unix
operating system written from scratch in c / c++
- PathOS - Hobby OS based on
MikeOS, written in
Assembly Language
- PonyOS, GitHub - ToaruOS-based, My
Little Pony themed OS
- PouplyOS -
Simple OS for fun and learning, named after the ESISAR mascot
Poulpy
- PureDarwin -
PureDarwin is a community project to extend Darwin into a complete,
usable operating system
- r3 - A hobby
x86_64 Operating System kernel written in Rust – with minimal
functionalities
- SayoriOS - Hobby
OS for x86 computers, currently under active development, written in
C
- Serenity -
Graphical Unix-like operating system for x86 computers
- SimpleOS - Simple
Operating System coded in C and Assembly
- Snowdrop OS - a
homebrew operating system from scratch, in assembly language
- Sortix - Hobby OS in C and C++ by
Jonas ‘Sortie’ Termansen
- Syllable - Successor
of AtheOS, Syllable is designed in the tradition of the Amiga and BeOS,
but built using many parts from the GNU project and Linux.
- TempleOS -
Religious OS :-)
- ToaruOS - Hobby
operating system from scratch
- Týndur - Hobby operating system
build by the Lowlevel community. Written in C and Pascal
- Ultron OS -
x86 Operating System written in C++, High School Project
- unox-os - Unox is
an educational unix-like operating system
- Vinix - Vinix is an
effort to write a modern, fast, and useful operating system in the V
programming language
- Visopsys - Open Source Hobby OS
developed since 1997
- willOS - A
minimal 64 bits kernel (Operating System that cannot “operate” a lot of
things)
- Windows 95 in
Electron - Hobby Windows 95 implementation in Electron
- Xv6 - A
teaching operating system developed in the summer of 2006 for MIT’s
operating systems course
- BareMetal, GitHub - 64 bit
operating system written in Assembly for x86-64
- ZealOS
- The Zeal Operating System is a modernized, professional fork of the
64-bit Temple Operating System, TempleOS.
Popular Operating Systems
- Darwin
XNU - The XNU kernel source code for use in MacOS and iOS
- FreeBSD, Github - Unix-like
operating system based on the BSD
- FreeDOS - DOS compatible OS
- Haiku - BeOS inspired
OS
- Linux - Linux
kernel
- Minix, Github
- Unix-like operating system based on a microkernel architecture
- MS-DOS - The
original sources of MS-DOS 1.25 and 2.0
- NetBSD, Github - Unix-like operating
system based on the BSD
- OpenBSD, Github - Unix-like operating
system based on the BSD
- Plan 9 from Bell Labs - An OS from
the creators of Unix, extending the Unix philosophy of “everything is a
file” with a network-centric file system, namespaces and distributed
computing.
- ReactOS, Github - A free
Windows-compatible Operating System
- SystemV
- AT&T UNIX System V Source Code
Books and Guides
Online books
Tutorials
Website
- Genodians - Stories around the
Genode Operating System
- os-dev - Wiki with
everything you need to know
- Lowlevel - A
wiki about creating an OS from scratch. In German
- POSIX -
Standards for maintaining compatibility between operating systems
- Rust OSDev - Newsletter about
OS development in Rust
- OSRTOS - List of open source
real-time operating systems
- Multicians - The
Multicians web site presents the story of the Multics operating system
for people interested in the system’s history
Papers
Video Tutorials
Linux Kernel specific
Resources