A340wx's Stars
mit-pdos/xv6-public
xv6 OS
ravynsoft/ravynos
A BSD-based OS project that aims to provide source and binary compatibility with macOS® and a similar user experience.
microsoft/azurelinux
Linux OS for Azure 1P services and edge appliances
vvaltchev/tilck
A Tiny Linux-Compatible Kernel
skift-org/skift
🥑 A modern delightful operating system
helloSystem/hello
Desktop system for creators with a focus on simplicity, elegance, and usability. Based on FreeBSD. Less, but better!
Harvey-OS/harvey
A distributed operating system
ghaerr/elks
Embeddable Linux Kernel Subset - Linux for 8086
LemonOSProject/LemonOS
The Lemon Operating System
brutal-org/brutal
🏢 An operating system inspired by brutalist design that combines the ideals of UNIX from the 1970s with modern technology and engineering
PDP-10/its
Incompatible Timesharing System
pritamzope/OS
Writing & Making Operating System and Kernel parts so simple like Hello World Programs, Starting from writing Bootloaders, Hello World Kernel, GDT, IDT, Terminal, Keyboard/Mouse, Memory Manager, HDD ATA R/W, VGA/VESA Graphics
RTEMS/rtems
Mirror only see https://gitlab.rtems.org/rtems/rtos/rtems
opuntiaOS-Project/opuntiaOS
opuntiaOS - an operating system targeting x86, ARM and RISC-V.
FlingOS/FlingOS
An educational operating system written in C#. A great stepping stone from high to low level development.
mikaku/Fiwix
A UNIX-like kernel for the i386 architecture
CorruptedByCPU/Cyjon
A simple, clean code, multi-tasking kernel written in pure Assembly language for 64-bit processors from the AMD64 family.
mosa/MOSA-Project
Managed Operating System Alliance Project
aros-development-team/AROS
Main AROS repository for active development. Contains the main Operating System components and Build System.
MQuy/mos
A hobby operating system developed from scratch
FriendUPCloud/friendup
FriendOS is a free web based platform that runs in your browser. It allows you to work and play, collaboratively, across devices.
rdmsr/emerald
An operating system written in C
640-KB/GLaBIOS
A modern, scratch-built, open-source (GPLv3) alternative ROM BIOS for PC, XT, 8088 Clone or Turbo PCs.
aura-systems/Aura-Operating-System
AuraOS, the Franco-English Operating System developed in C# using Cosmos!
osfree-project/osfree
osFree - open source Operating System/2 clone, usermode parts.
p-durlej/newsys
Vanadium OS
macmade/XEOS
XEOS is an experimental 32/64 bits Operating System for x86 platforms, written from scratch in Assembly and C. It includes a C99 Standard Library, and aims at POSIX/SUS2 compatibility.
OS108/OS108
OS108 is a fast, open and Secure Desktop Operating System built on top of NetBSD.
jeffmerkey/open-netware
Open Source version of the Netware SMP Operating System (32 bit DOS Loader version)
p-durlej/dosbios
MS-DOS 2.0 restoration project