openwrt / openwrt
This repository is a mirror of https://git.openwrt.org/openwrt/openwrt.git It is for reference only and is not active for check-ins. We will continue to accept Pull Requests here. They will be merged via staging trees then into openwrt.git.
reactos / reactos
A free Windows-compatible Operating System
zephyrproject-rtos / zephyr
Primary Git Repository for the Zephyr Project. Zephyr is a new generation, scalable, optimized, secure RTOS for multiple hardware architectures.
RT-Thread / rt-thread
RT-Thread is an open source IoT Real-Time Operating System (RTOS). https://rt-thread.github.io/rt-thread/
mit-pdos / xv6-riscv
Xv6 for RISC-V
Producdevity / reframed-vr
An independent operating system (SteamOS) project for standalone VR headsets. [Meta Quest and Pico Neo]
openwall / john
John the Ripper jumbo - advanced offline password cracker, which supports hundreds of hash and cipher types, and runs on many operating systems, CPUs, GPUs, and even some FPGAs
PureDarwin / PureDarwin
Darwin is the Open Source core of macOS, and PureDarwin is a community project to extend Darwin into a complete, usable operating system.
RsyncProject / rsync
An open source utility that provides fast incremental file transfer. It also has useful features for backup and restore operations among many other use cases.
apache / nuttx
Apache NuttX is a mature, real-time embedded operating system (RTOS)
unikraft / unikraft
A next-generation cloud native kernel designed to unlock best-in-class performance, security primitives and efficiency savings.
tinyproxy / tinyproxy
tinyproxy - a light-weight HTTP/HTTPS proxy daemon for POSIX operating systems
nuta / operating-system-in-1000-lines
Writing an OS in 1,000 lines.
eclipse-threadx / threadx
Eclipse ThreadX is an advanced real-time operating system (RTOS) designed specifically for deeply embedded applications.
W0rthlessS0ul / nRF24_jammer
The nRF24 jammer is a powerful tool that requires an ESP32 and configurable numbers of NRF24 modules to assemble. It is designed to create interference, disrupting the normal operation of Bluetooth devices 🔊, BLE technology 📱, drones 🚁, Wi-Fi networks 📶 and Zigbee 📡. Additionally, it features a user-friendly web interface 🌐.
nanovms / nanos
A kernel designed to run one and only one application in a virtualized environment
analogdevicesinc / no-OS
Software drivers in C for systems without an operating system
emp0ry / cs2-ErScripts
ErScripts is a multi-feature tool for Counter-Strike 2, combining various scripts into one. It operates externally, without interacting with game memory or injecting code, for a seamless CS2 experience.
cmus / cmus
Small, fast and powerful console music player for Unix-like operating systems.
PhialsBasement / MoCoLinux
Modern Cooperative Linux
cloudius-systems / osv
OSv, a new operating system for the cloud.
bitcoin-core / secp256k1
Optimized C library for EC operations on curve secp256k1
google / XNNPACK
High-efficiency floating-point neural network inference operators for mobile, server, and Web
illumos / illumos-gate
An open-source Unix operating system -- this is a read-only mirror of the official repository at https://code.illumos.org/plugins/gitiles/illumos-gate
nasa / osal
The Core Flight System (cFS) Operating System Abstraction Layer (OSAL)
KallistiOS / KallistiOS
A homebrew SDK/pseudo-operating system for the Sega Dreamcast. This repository is a mirror of the official SourceForge repository for KOS.
nasa / nos3
NASA Operational Simulator for Space Systems
opnsense / src
OPNsense operating system
tinydesk-project / tinydesk
A mouse-operated, windowed desktop for microcontrollers, drawn in your terminal: Files, Editor, Shell, MQTT, Modbus. Tested on ESP32 boards; also runs on Windows and Linux.
ColinIanKing / stress-ng
This is the stress-ng upstream project git repository. stress-ng will stress test a computer system in various selectable ways. It was designed to exercise various physical subsystems of a computer as well as the various operating system kernel interfaces.
ostreedev / ostree
Operating system and container binary deployment and upgrades
HelenOS / helenos
A portable microkernel-based multiserver operating system written from scratch.
OLIMEX / OLINUXINO
OLINUXINO is Open Source / Open Hardware, low cost from EUR 24 Linux Industrial grade Single Board Computer capable to operate -25+85C
libxsmm / libxsmm
Library for specialized dense and sparse matrix operations, and deep learning primitives.
Mathewnd / Astral
x86-64 Operating System
aros-development-team / AROS
Main AROS repository for active development. Contains the main Operating System components and Build System.
littlekernel / lk
LK embedded kernel
trustedsec / CS-Remote-OPs-BOF
Remote operations commands implemented using Beacon Object Files
kubernetes-sigs / security-profiles-operator
The Kubernetes Security Profiles Operator
LearningOS / os-lectures
https://learningos.cn/os-lectures/ 2026年春季OS课程Slides\实验指导\思维导图\挑战项目等
Supercip971 / WingOS
a little 64bit microkernel based operating system written in c++ with smp support
manaskamal / XenevaOS
The Xeneva Operating System
mikaku / Fiwix
A UNIX-like kernel for the i386 architecture
SirLouen / pecl-mail-imap
An extension to operate with the IMAP protocol, as well as the NNTP, POP3, and local mailbox access methods.
dennishilk / boringos
Independent desktop operating system with its own kernel, userspace and native BoringWM, written primarily in C
Mazin-O3 / cpm-neo
A CP/M-inspired operating system
WKL-Sec / OpenBOF
A community maintained repository of Beacon Object Files (BOFs) for red team operations, research, and education. Our goal is to provide a centralized collection of high quality BOFs, making them easier to discover, use, and contribute to.
nanochess / Am29000
Am29000/Am29050 emulator for homebrew G11 computer with windowed operating system disk image.
klange / toaruos
Complete, independent operating system built by humans.
Open-Smartwatch / open-smartwatch-os
The Open-Smartwatch Operating System.
luke8086 / gentleos32
Hobby operating system for vintage 32-bit PCs
DC-SWAT / DreamShell
Operating system for the Sega Dreamcast, NAOMI and NAOMI 2