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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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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Providing an easy to use platform for running Ancient UNIX & BSD on windows.
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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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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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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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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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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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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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Old Linux Distribution Archive
Collection of old Linux distribution media and packages
This project seeks to collect Linux distributions that are no longer updated or maintained, so that the intellectually curious can check them out (hopefully in a virtual machine). -
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BSD Router Project
Router distribution based on FreeBSD with FFRouting and Bird
BSD Router Project (BSDRP) is a open source router distribution based on FreeBSD, supporting all majors routing protocols (RIP, OSPF, BGP, ISIS, PIM, etc..) and multi-tenant capabilities that fit on a 4GB Flash disk. -
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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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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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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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DreamStudio by Volocian Studios
Free yourself
Volocian believes first and foremost that financial status shouldn’t be a barrier to entry in multimedia content creation. Whether you want to design a product or website, record a band, remix a song, or produce a feature length movie with professional post production graphics and effects, Volocian™ wants to help, even if you’re using borrowed hardware with no previous experience. We provide affordable products and services for any budget, including cost-free solutions for education and demo purposes, while everything we do is designed with ease of use and flexibility in mind, to suit everyone from novice hobbyists to expert professionals. Wherever possible, Volocian™ relies on free, open source, and cross-platform software to prevent vendor lock-in, planned obsolescence, and software as a service licensing. While we remain pragmatic about the use of proprietary software, as we’re aware of the feature limitations of some open source solutions, free solutions are preferred. -
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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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MINIBIAN image for Raspberry Pi
MINIBIAN is a MINImal RaspBIAN-based Linux image for Raspberry Pi
The main focus is to have a small, updated and stable distribution that is fully compatible with official Raspbian image, without GUI and unneeded tools. So this image is perfect for embedded projects, or wherever you need to use all RPi resources for your specific tasks. The main advantage is that MINIBIAN has a very small footprint, boots in some seconds and uses just few of precious RPi RAM. Unlike other similar projects, MINIBIAN has not been obtained purging unneeded packages from original image, neither recompiling the source code: it’s just a customized Raspbian installation obtained from the same repository used for official RPi image. So kernel and binary files are exactely the same you will find on standard image, with the difference that MINIBIAN fit on 1GB SD Card, is fastest, and updated more often. -
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Katana packages security / ethical hacking distributions (like Backtrack, Ophcrack, & UBCD) together with portable Windows applications (like Metasploit, NMAP, Cain & Able, & Wireshark) to run off a single USB flash drive.
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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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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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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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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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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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AmiPUP
Puppy Linux derivative
AmiPUP is a very small, lightweight “live boot” Linux system built on the Puppy Linux distro. AmiPUP works with almost any x86 computer that can boot from CD or USB (USB booting doesn't work with Macs). At boot, AmiPUP loads EVERYTHING into ram, so all applications load blazing fast! Changes can be saved to the USB or multi-session CD boot device (or not at all). The host system is never touched!
