operating-system
Bastille is an open-source system for automating deployment and management of containerized applications on FreeBSD.
Beautiful. Efficient. Elegant.
The only operating system you'll ever need. A seamless blend of all Linux distributions, Android apps and web apps.
Arch Linux made declarative, immutable and atomic. With Android app support and Fedora, Debian, CentOS Stream and Ubuntu containers available, as well as system packages/DEs/kernels from Arch Linux and the AUR.
Talos is a modern OS designed to be secure, immutable, and minimal. Its purpose is to host Kubernetes clusters, so it is tightly integrated with Kubernetes.
Related contents:
- Proxmox Kubernetes Install with Talos Linux @ Virtualization Howto.
- Talos, Proxmox and OpenTofu: Beginner's Guide - Part 1 @ Eleni Grosdouli.
- Talos, Proxmox and OpenTofu: Beginner's Guide - Part 2 @ Eleni Grosdouli.
- Talos, Proxmox and OpenTofu: Beginner's Guide - Part 3 @ Eleni Grosdouli.
- A Simple Way to Install Talos Linux on Any Machine, with Any Provider @ Linux.com.
- No SSH? What Is Talos, This Linux Distro for Kubernetes? @ The New Stack.
- Rebuilding My Talos Cluster from Bare Metal @ Nerdz.
SparkyLinux is a GNU/Linux distribution based on the Debian GNU/Linux operating system.
Sparky is a fast, lightweight and fully customizable operating system which offers several versions for different use cases.
BareMetal OS is an exokernel-based operating system crafted entirely in x86-64 assembly and is designed to provide unparalleled levels of flexibility and efficiency. By exposing hardware resources directly to applications, it empowers developers to finely tune and optimize their software for specific tasks. With the exokernel's minimalist design, it minimizes the overhead imposed by traditional operating systems, enabling applications to achieve peak performance. Its x86-64 assembly implementation speaks to its commitment to squeezing every ounce of performance from the hardware, making it a compelling choice for those who demand the utmost control and efficiency from their computing environments.
let's build a Win32/Linux. replace the entire userland with WINE.
A dream of a Linux distribution where the entire desktop environment is Win32 software running under WINE. A completely free and open-source OS where you can just download .exe files and run them, for the power user who isn't necessarily a Unixhead, or just for someone who thinks this sounds fun.
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A terminal-centric distro with a vibrant and friendly community at its core
Purpose-built OS for Kubernetes, fully managed by Kubernetes. k3OS is a Linux distribution designed to remove as much OS maintenance as possible in a Kubernetes cluster. It is specifically designed to only have what is needed to run k3s. Additionally the OS is designed to be managed by kubectl once a cluster is bootstrapped. Nodes only need to join a cluster and then all aspects of the OS can be managed from Kubernetes. Both k3OS and k3s upgrades are handled by the k3OS operator.
Personal Server at Home - Run your digital services from your home
FreedomBox is a private server for non-experts: it lets you install and configure server applications with only a few clicks. It runs on cheap hardware of your choice, uses your internet connection and power, and is under your control.
Your Next(Gen) OS - Redox - Your Next(Gen) OS. Redox is a Unix-like Operating System written in Rust, aiming to bring the innovations of Rust to a modern microkernel and full set of applications.
skiftOS is a hobby OS built from scratch using C/C++ for ARM, x86, and RISC-V. It's simple, modern and modular. It has a modern C++ core library, reactive UI, and a capability-based microkernel for security and modularity.
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dentOS is a SwitchDev based NOS built on top of Open Network Linux
As a Linux Foundation project, DENT utilizes the Linux Kernel, Switchdev, and other Linux based projects as the basis for building a new standardized network operating system without abstractions or overhead. All underlying infrastructure — including ASIC and Silicon for networking and datapath — is treated equally; while existing abstractions, APIs, drivers, low-level overhead, and other open software are simplified. DENT unites silicon vendors, ODMs, SIs, OEMs, and end users across all verticals to enable the transition to disaggregated networks.
Market leading RTOS (Real Time Operating System) for embedded systems with Internet of Things extensions. Real-time operating system for microcontrollers?
Developed in partnership with the world’s leading chip companies over an 18-year period, and now downloaded every 170 seconds, FreeRTOS is a market-leading real-time operating system (RTOS) for microcontrollers and small microprocessors. Distributed freely under the MIT open source license, FreeRTOS includes a kernel and a growing set of IoT libraries suitable for use across all industry sectors. FreeRTOS is built with an emphasis on reliability and ease of use.
KnightOS is a third-party operating system for TI calculators. It provides a passable Unix-like system for calculators. KnightOS is built on top of the KnightOS kernel - this repository is the official userspace. KnightOS runs on the following calculators.
Graphical Unix-like operating system for x86-64 computers.
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.
Roughly speaking, the goal is a marriage between the aesthetic of late-1990s productivity software and the power-user accessibility of late-2000s *nix.
Bitrig is a free, fast, and secure Unix-like Open Source operating system. It is available on current hardware platforms. The source code is freely available under a permissive license.
ZFS for the Home to the Data Center.
Related contents:
- How To Choose Or Build Your Own NAS - incl. TrueNAS @ Jim's Garage YouTube.
- How I Configure TrueNAS (Complete Setup Guide) @ Hardware Haven's YouTube.
- How to install TrueNAS on a Raspberry Pi @ Jeff Geerling.
- Rebuilding my NAS - Moving to Virtual TrueNAS in Proxmox @ Jim's Garage.
- Collect All Media | *arr Stack TrueNAS Community Edition 2025 @ ServeratHome's YouTube.
The Robot Operating System (ROS) is a set of software libraries and tools that help you build robot applications. From drivers to state-of-the-art algorithms, and with powerful developer tools, ROS has what you need for your next robotics project. And it's all open source.
- [ROS 2 @ GitHub](Robot Operating System (ROS)).
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Akaros® is an open source, GPL-licensed operating system for manycore architectures. Our goal is to provide support for parallel and high-performance applications and to scale to a large number of cores.
FreeBSD is an operating system used to power modern servers, desktops, and embedded platforms. A large community has continually developed it for more than thirty years. Its advanced networking, security, and storage features have made FreeBSD the platform of choice for many of the busiest web sites and most pervasive embedded networking and storage devices.
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Just Play.
An operating system that brings the console gaming experience of the '90s to modern PC hardware and games: insert cart, power on, play.
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The Universal Blue project builds a diverse set of continuously delivered operating system images using Fedora Atomic Desktop's support for OCI/Docker containers. That's nerdspeak for the ultimate Linux client: the reliability of a Chromebook, but with the flexibility and power of a traditional Linux desktop.
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OS for z80 calculators
KnightOS is a third-party operating system for TI calculators. It provides a passable Unix-like system for calculators. KnightOS is built on top of the KnightOS kernel.
Your Beautiful Ubuntu Linux Distribution.
UbuntuDDE is a Remix flavor of Ubuntu system with Deepin Desktop Environment (DDE) . UbuntuDDE is a linux distribution based on Ubuntu with the most beautiful desktop environment. UbuntuDDE Remix is developed and maintained by the UbuntuDDE Community.
Transform your Raspberry Pi, or PC with Volumio's innovative software.
Providing the perfect backdrop for your musical journey. Our audio solutions, which includes high-fidelity streaming software and music streamers, a recrafted to deliver exceptional sound quality without compromising on user-friendly style
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Bringing the console gaming experience to PC. A Steam Big Picture based couch gaming OS
An operating system I've been writing since ~June 2017. Although it's a long shot (and very optimistic), I ultimately intend it to replace Linux and Windows as a desktop operating system.
The Linux Desktop for people who want to "get stuff done".
Aeon is great for anyone who wants a computer that "just works"; in particular it is perfect for the "lazy developer" who prefers to spend their time getting things done while letting their desktop take care of itself. The OS is static, automated and reliable, letting you focus on your apps and work.
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Apache Mesos abstracts CPU, memory, storage, and other compute resources away from machines (physical or virtual), enabling fault-tolerant and elastic distributed systems to easily be built and run effectively. Mesos is built using the same principles as the Linux kernel, only at a different level of abstraction. The Mesos kernel runs on every machine and provides applications (e.g., Hadoop, Spark, Kafka, Elastic Search) with API’s for resource management and scheduling across entire datacenter and cloud environments.
Sécurix is a NixOS-based secure operating system tailored for small to medium-sized teams. It provides a minimal, hardened environment with strong isolation, reproducibility, and policy-driven configurations to ensure operational security and compliance.
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The thoughtful, capable, and ethical replacement for Windows and macOS.
Personal Server at Home. Run your digital services from your home.
FreedomBox is a private server for non-experts: it lets you install and configure server applications with only a few clicks. It runs on cheap hardware of your choice, uses your internet connection and power, and is under your control.
The open network attached storage solution. openmediavault is the next generation network attached storage (NAS) solution based on Debian Linux. It contains services like SSH, (S)FTP, SMB/CIFS, DAAP media server, RSync, BitTorrent client and many more. Thanks to the modular design of the framework it can be enhanced via plugins.
OpenBMC is a Linux distribution for management controllers used in devices such as servers, top of rack switches or RAID appliances. It uses Yocto, OpenEmbedded, systemd, and D-Bus to allow easy customization for your platform.
Proxmox Virtual Environment is an open source server virtualization management solution based on QEMU/KVM and LXC. You can manage virtual machines, containers, highly available clusters, storage and networks with an integrated, easy-to-use web interface or via CLI. Proxmox VE code is licensed under the GNU Affero General Public License, version 3. The project is developed and maintained by Proxmox Server Solutions GmbH.
Nixpkgs is a collection of over 80,000 software packages that can be installed with the Nix package manager. It also implements NixOS, a purely-functional Linux distribution.
THE all-in-one retro gaming console!
Replay all the consoles, arcades, and computers of your childhood.
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NayuOS is an ongoing project at Nexedi: since we mainly use Chromebooks as part of our development tools, we want to have more customizable, secure and privacy-compliant devices. We also love Free Software so we do want a Free alternative for Chrome OS that fits our needs.
Manux is a free (libre) Linux-compatible operating system designed to withstand zero-day attacks in userspace.
Linutop Kiosk is a software that allows you to set up your computer as Internet kiosk or digital signage.
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Internet Kiosk: This software allows you to select the starting homepage and lock the Linutop on designated websites or block certain websites.
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Linutop Kiosk for digital signage :This software can display automatically JPEG images, web pages URLs, video files and PDF on a screen.
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Linutop OS est disponible pour le Raspberry Pi Zéro @ LinuxFr.org :fr:.
Librephone is the FSF's project to free up those blobs. This project's goal is not another Android distribution, but a long-term project to better understand and reverse-engineer the nonfree blobs used by virtually all SoCs made today.
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Deploy a Production Ready Kubernetes Cluster
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Can be deployed on AWS, GCE, Azure, OpenStack, vSphere, Equinix Metal (bare metal), Oracle Cloud Infrastructure (Experimental), or Baremetal
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Highly available cluster
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Composable (Choice of the network plugin for instance)
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Supports most popular Linux distributions
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Continuous integration tests
Yet another minimal Linux distribution, based on Arch Linux.
Archcraft is just another Linux distribution, made on top of Arch Linux. It uses window managers and lightweight applications, which makes it super fast. With pre-configured settings, Archcraft provides you the best out of the box window manager experience.
Solus is a Linux-based operating system built from scratch for the modern desktop and targeting the x86_64 architecture.
An Open-Source Personal AI Cloud OS. Let people own their data again.
Olares is an open-source personal cloud operating system designed to empower you to own and manage your digital assets locally. Instead of relying on public cloud services, you can deploy powerful open-source alternatives locally on Olares, such as Ollama for hosting LLMs, ComfyUI for image generation, and Perplexica for private, AI-driven search and reasoning. Imagine the power of the cloud, but with you in complete command.
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la Démarche NIRD : pour un numérique libre et écocitoyen dans les établissements scolaires !
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XINU stands for Xinu Is Not Unix -- although it shares concepts and even names with Unix, the internal design differs completely. Xinu is a small, elegant operating system that supports dynamic process creation, dynamic memory allocation, network communication, local and remote file systems, a shell, and device-independent I/O functions. The small size makes Xinu suitable for embedded environments.
Atmosphère is a work-in-progress customized firmware for the Nintendo Switch.
the private and secure mobile OS.
The private and secure mobile operating system with Android app compatibility. Developed as a non-profit open source project.
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a Debian based distro
The goal of this project is to make an Xfce Debian based system that is much like Xubuntu.
Nøughty Linux is an unconventional Linux desktop experience that combines Ubuntu's familiarity and broad hardware compatibility with Nix's declarative configuration and vast software library all wrapped in a user-friendly interface that requires zero Nix knowledge.
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reduce IoT firmware development time up to 90%. An open source Operating System for the Internet of Things Supported microcontrollers: ESP32, ESP8266, STM32, TI CC3200 Amazon AWS IoT and Google IoT integrated. Code in C or JavaScript
Linux OS distribution based on Nix package manager, providing reproducible builds and deployments.
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AstLinux is a "Network Appliance for Communications" open-source x86_64 Linux software distribution. Unified communications including voice, presence and messaging. Network routing, stateful filtering firewall and VPN support. AstLinux's framework allows integrators and developers to deploy solutions that may be remotely monitored, supported and upgraded using an optimized 60 MB compressed image.
Beautiful UI design, intimate human-computer interaction, and friendly community environment make you feel at home.
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The Art of Linux. Simple. Fast. Systemd-free.
Artix Linux is a rolling-release distribution, based on Arch Linux.
It uses real init systems, because PID1 must be simple, secure and stable.
Bazzite is an OCI image that serves as an alternative operating system for the Steam Deck, and a ready-to-game SteamOS-like for desktop computers, living room home theater PCs, and numerous other handheld PCs.
Related contents:
- Bazzite: A Distro for Linux Gaming on Steam Deck and PCs @ It's FOSS News.
- Episode 127 - Can't Fix What You Don't Track @ Self Hosted.
- Episode 573 - Universal Blue Man Group @ Linux Unplugged.
- Bazzite - Le Linux gaming qui enterre Windows sur Steam Deck (et ailleurs) @ Korben :fr:.
- ROG Xbox Ally - Pourquoi Linux c'est mieux que Windows ? @ Korben :fr:.
- Gaming sous Linux - Et si AMD était devenu meilleur que Nvidia ? @ Korben :fr:.
Maru is a new kind of computing experience. It gives you a single, context-aware device that makes personal computing really simple. And guess what? That device is your smartphone.
La distribution éducative.
Un système informatique dédié à l’apprentissage et conçu par des pédagogues, pour l’école et la maison. Primtux contient des applications libres créées par des professeurs, pour des professeurs et leurs élèves.
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