Open Source BSD Operating Systems
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Operating Systems for BSD
Browse free open source Operating Systems and projects for BSD below. Use the toggles on the left to filter open source Operating Systems by OS, license, language, programming language, and project status.
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MongoDB Atlas runs apps anywhereMongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.
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Redo Rescue: Backup and Recovery
Backup and Recovery Made Easy
Redo Rescue Backup and Recovery can backup and restore an entire system in minutes with a point-and-click interface anyone can use. Bare metal restore to a new, blank drive and be up and running in minutes. Supports saving to and restoring from local disks or shared network drives. Selectively restore partitions and remap them to different locations on the target drive. Additional tools included for partition editing, web browsing, and more. Runs from live CD/USB; no installation needed. Website: http://redorescue.com Forum: https://sourceforge.net/p/redobackup/discussion/ GitHub: https://github.com/redorescue/redorescue Wikipedia: https://en.wikipedia.org/wiki/Redo_Backup_and_Recovery -
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Thinstation is a thin client linux distro using std. x86 hw. It can boot from network, pxe, syslinux, CD, floppy or flash-disk and connect to servers using VNC, RDP, XDM, SSH, Telnet, tn5250, tarentella, 2X, NX, Thinlinc, VMWare VDI or ICA.
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Kernelloader
Run Linux on the Playstation 2
Kernelloader is a free bootloader for PS2 Linux and other Playstation 2 operating systems. Loading can be done by "Action Replay Media Player", by "memory card exploit", by "FMCB" or any other homebrew loading method. If you downloaded the latest Linux Live DVD, you need to run the online updater to be able to play Youtube videos. -
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Providing an easy to use platform for running Ancient UNIX & BSD on windows.
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SerenityOS
The Serenity Operating System
SerenityOS is an open source Unix-like operating system project with its own custom kernel, graphical user interface, system libraries, and userland tools. It combines a nostalgic “90s UI aesthetic” with modern system capabilities: a preemptive, multi-threaded kernel, own browsers, network stack, file systems, IPC, security features, and a suite of graphical / developer applications. The project is both a hobbyist OS and a polished engineering sandbox. -
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Antivirus Live CD
4MLinux fork including ClamAV scanner
Antivirus Live CD is an official 4MLinux fork including the ClamAV scanner. It's designed for users who need a lightweight live CD, which will help them to protect their computers against viruses. Ethernet, WiFi, PPP and PPPoE are supported by Antivirus Live CD to enable automatic updates of its virus signature databases. All partitions are mounted during the boot process so that they can be scanned by ClamAV. The Antivirus Live CD ISO images are fully compatible with UNetbootin, which can be used to create an easy-to-use Antivirus Live USB. -
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OpenWrt
A Linux operating system targeting embedded devices
OpenWrt Project is a Linux operating system targeting embedded devices. Instead of trying to create a single, static firmware, OpenWrt provides a fully writable filesystem with package management. This frees you from the application selection and configuration provided by the vendor and allows you to customize the device through the use of packages to suit any application. For developers, OpenWrt is the framework to build an application without having to build a complete firmware around it; for users this means the ability for full customization, to use the device in ways never envisioned. -
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Pop!_OS
A project for managing all Pop!_OS sources
Pop!_OS repository serves as the central source code hub for Pop!_OS, a Linux distribution developed by System76 and based on Ubuntu, designed to deliver a polished and performance-oriented desktop experience. It contains packaging, configuration, and system-level customizations that define how Pop!_OS behaves and differentiates itself from standard Ubuntu installations. The project integrates system tools, hardware optimizations, and user interface components into a cohesive operating system tailored for developers, creators, and power users. Pop!_OS is known for its out-of-the-box support for both AMD and NVIDIA GPUs, as well as features like disk encryption, power management profiles, and streamlined workspace navigation. The repository also plays a key role in coordinating updates, managing dependencies, and maintaining compatibility across the system. -
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IPCop Firewall
Linux firewall distribution geared towards home and SOHO users.
The IPCop Firewall is a Linux firewall distribution. It is geared towards home and SOHO users. The IPCop web-interface is very user-friendly and makes usage easy. -
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OS-uninstaller
Remove any operating system in 1 click !
See https://sourceforge.net/p/os-uninstaller/wiki -
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Robolinux
Announcing Robolinux Cinnamon 14.1
Announcing The New Robolinux Series 14 Mate LTS - 2034 Robolinux is very pleased to announce a completely new 14.1 Mate privacy centered 1inux operating system you can download freely while also offering our users an optional 14+ advanced upgrade which comes with our Untracker and FAAST Boot along with one click popular privacy software installers like Tor and I2p, Wireshark and Bleachbit plus many more for a fair and reasonable price. Robolinux14.1-Mate is ideal for beginners and advanced users. We are proud that it comes with Enoch AI which is TOTALLY 100% PRIVATE, FREE, HONEST & UNCENSORED built into Robolinux Cinnamon 14.1 The Robolinux 14.1 version with rock solid Long Term Support through 2034! requires users to set secure boot in their BIOS. It is currently available in the Cinnamon desktop flavor. we will release series 14 Xfce version in the next two months.For more information please see Readme file. Warmest regards John Martinson Robolinux.org -
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AlienVault OSSIM
Open Source SIEM
OSSIM, AlienVault’s Open Source Security Information and Event Management (SIEM) product, provides event collection, normalization and correlation. For more advanced functionality, AlienVault Unified Security Management (USM) builds on OSSIM with these additional capabilities: * Log management * Advanced threat detection with a continuously updated library of pre-built correlation rules * Actionable threat intelligence updates from AlienVault Labs Security Research Team * Rich analytics dashboards and data visualization -
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OpenWrt-Rpi
Raspberry Pi & NanoPi R2S/R4S & G-Dock & x86 OpenWrt Compile Project
OpenWrt-Rpi is a customized build and configuration project that adapts the OpenWrt operating system for Raspberry Pi devices, transforming them into fully functional routers or embedded network appliances. It enables users to deploy advanced networking features such as routing, firewalling, and VPN services on low-cost hardware. The project typically includes preconfigured images, build scripts, and optimization settings tailored for Raspberry Pi hardware capabilities. It emphasizes flexibility, allowing users to install additional packages and customize network behavior according to their needs. The system leverages OpenWrt’s modular package ecosystem, enabling a wide range of networking applications and services. It is particularly useful for home labs, IoT environments, and edge networking setups. Overall, OpenWrt-Rpi turns a general-purpose single-board computer into a powerful and customizable networking device. -
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Design OS
The missing design process between your product idea and your codebase
Design OS is an open-source product planning and UI design framework that sits at the intersection of design thinking and generative AI, guiding creators through a repeatable process from product idea to structured design deliverables. It fills what the maintainers describe as the “missing design process” in AI-first development, helping users define product visions, model data, map user flows, and lay out interfaces before a coding agent begins implementation. The tool is poised to produce production-ready UI components and artifacts that any AI coding tool can consume, encouraging a disciplined front-to-backend workflow that avoids disjointed, reactive design prompts. Design OS emphasizes clarity of intent, consistency of design systems, and exporting usable components rather than just static mockups, which aligns better with automated build pipelines and agent-driven development. -
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Syllable Desktop is a complete operating system that is easy to use, powerful, lightweight and extraordinarily fast and responsive. It has its own kernel, filesystem, GUI and applications. Syllable Server is a matching small and efficient Linux server.
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Artica Proxy Appliance
Proxy Cache and Web filtering Appliance
Artica Proxy is a system that provide a sexy Web Ajax console in order manage a full Proxy server without any technical skill and with latest Squid technology. It provide surls filtering with french Toulouse University and Artica database - over 30.000.000 websites. There are many statistics per users or categories or websites and features in order to manage Internet bandwith. It provides FireWall/QOS features. Can work in Transparent mode or connected to an Activ Directory/OpenLDAP members database. -
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Anima
Open-source Agent OS for hardware intelligence
Anima is an open-source Agent OS designed to make hardware behave more intelligently. Instead of acting as a basic smart-home control panel, it gives connected devices perception, memory, decision-making, and extensible AI capabilities. The system runs as an intelligent hardware agent runtime inside the local network. It discovers devices, tracks their state, and controls real hardware through adapters. Anima uses an LLM-powered brain to interpret the environment, user intent, memory, and device-specific skills before planning actions. It currently supports Mi Home and MIoT devices while providing a dashboard, REST API, and CLI for observation, debugging, control, and extension. -
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Metamorphose Linux
Metamorphose Linux
O Metamorphose é um sistema operacional baseado em Linux onde seu maior objetivo de ser simples, completo e com um visual agradável para usuários iniciantes ou avançados. Conta com uma das maiores compatibilidades de hardware e software da atualidade, se comparado a outras distribuições Linux. -
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Debian 13 Mate
Debian Trixie with the Mate desktop environment
EFI SUPPORT: Download the efi iso if you need efi support here: https://sourceforge.net/projects/debian-mate/files/current/ This is debian 13 mate. Built with debian tools, packages, and currently based on the stable branch (Trixie). Here I try not to use software from outside of the debian repositories. For all intents and purposes, this is just debian paired with the mate desktop environment with a lot of hardware support taken care of. Debian mate doesn't force you into new conformancy. We use the mate desktop environment here; no gnome 4 or unity for anyone. With a start menu and a taskbar, you're good to go. This is just another decent desktop use operating system, but better. Take a good long stare at my packages (check readme.txt). -
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How to Make a Computer Operating System
How to Make a Computer Operating System in C++
A practical guide and GitHub-hosted project by Samy Pesse that walks you through building a very simple UNIX-based operating system in C++, designed to boot, launch a userland shell, and remain extensible. It’s more than a proof of concept—it’s meant to be functional and educational. All the system source code will be stored in the src directory. Each step will contain links to the different related files. This course is open to contributions, feel free to signal errors with issues or directly correct the errors with pull-requests. -
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Mega OS is an advanced operating system designed to provide a comprehensive and user-friendly computing experience. It incorporates a wide range of features and functionalities to enhance productivity, security, and overall system performance.
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Dodger-Tools
BASH tools and and Debian packages for Linux users and administrators
The Dodger-Tools are a constantly growing collection of BASH tools and Debian packages for Linux users and administrators. -
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Enchantment OS
Linux simplified. A consumer-friendly distro, based on Debian Stable
UPDATE: 20260731: Announcing Release Candidate RC.1 of Enchantment OS 26 Version Beta.3b is advanced to RC.1 Enchantment OS is a Free/Open Source (FOSS) Linux distribution, tailored for ease of use, reliability and performance. It makes stable, secure Linux software goodness more accessible to nongeeky consumers and small business owners. Based on interviews and user trials with more than 200 real-world consumers fom California to Florida, Enchantment OS has more of the features and apps that consumers and small business owners need and less of the shiny nerdy stuff that they don't. Enchantment OS offers surprising performance on old and new PC hardware-- even when booted and run from USB flash drives. It features a familiar desktop layout, with a prominent app Menu button and intuitive window borders, with "File, Edit, View, Help" pull-downs. Enchantment OS is accompanied by an easy-to-read full-color paperback user book -
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JNode is a Java New Operating system Design Effort. JNode is a simple to use and install Java operating system for personal use on modern devices. Any java application runs on it, fast and safe. See our homepage for additional information.
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linux-factory
Framework used to create custom debian linux operating systems
linux-factory is a utility designed to streamline the process of building and customizing Linux kernel images using a simple, scriptable environment. It provides a modular framework for configuring kernel options, applying patches, and generating bootable images, making it ideal for embedded developers, kernel hackers, and OS maintainers. With a strong emphasis on repeatability and automation, linux-factory reduces the manual overhead of compiling and deploying Linux kernels across various platforms.
