Browse free open source Unix Shell Operating Systems and projects below. Use the toggles on the left to filter open source Unix Shell Operating Systems by OS, license, language, programming language, and project status.

  • Passwordless Authentication and Passwordless Security
    Passwordless Authentication and Passwordless Security Icon
    Passwordless Authentication and Passwordless Security

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  • 1
    Rescatux

    Rescatux

    Easy to use Repair distribution for both Gnu/Linux and Windows systems

    Rescatux is a GNU/Linux repair cd (and eventually also Windows) but it is not like other rescue disks. Rescatux comes with Rescapp. Rescapp is a nice wizard that will guide you through your rescue and repair tasks. When the wizard is not able to solve your problem you can also enjoy of Rescatux unique support features: * Chat: Open the chat for asking help directly in Rescatux channel. * Share log: After running an option you can share its log (the action registry that it has done) so that in the chat they can help you better. O better, even, you can help debug and fix Rescatux bugs on the fly. * Share log on forum: Prepares a forum post alike text so that you can just copy and paste it in your favourite forum. Logs are nicely inserted into it with [CODE] symbols. * Boot Info Script: Run Boot Info Script option to share your computer configuration (specially boot one).
    Leader badge
    Downloads: 1,674 This Week
    Last Update:
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  • 2
    Ultimate Edition

    Ultimate Edition

    An Ubuntu remix for both new and experienced Linux sophisticates

    Ultimate Edition Linux, previously "Ubuntu Ultimate Edition". We cater to a large base of *nix users including, but certainly not limited to gamers & low resource computers. We have a Ultimate Edition for virtually any user.
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    Downloads: 488 This Week
    Last Update:
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  • 3
    salix
    Salix is a linux distribution based on Slackware that is simple and easy to use. Salix aims to be completely backwards compatible with Slackware, so Slackware users can benefit from Salix repositories.
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    Downloads: 326 This Week
    Last Update:
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  • 4
    RebornOS

    RebornOS

    Made For You - Made With You

    RebornOS is an Arch Linux based distribution whose goal is to make Arch Linux more approachable to beginners. We stick close to Arch Linux, offer choices without much bloat, and we provide quite a bit more support and handholding than typical distributions so that beginners don't feel overwhelmed.
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    Downloads: 627 This Week
    Last Update:
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  • Comprehensive Cybersecurity to Safeguard Your Organization | SOCRadar
    Comprehensive Cybersecurity to Safeguard Your Organization | SOCRadar Icon
    Comprehensive Cybersecurity to Safeguard Your Organization | SOCRadar

    See what hackers already know about your organization – and stop them from getting in.

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  • 5
    Network Security Toolkit (NST)

    Network Security Toolkit (NST)

    A network security analysis and monitoring toolkit Linux distribution.

    Network Security Toolkit (NST) is a bootable ISO image (Live USB Flash Drive) based on Fedora 38 providing easy access to best-of-breed Open Source Network Security Applications and should run on most x86_64 systems. The main intent of developing this toolkit was to provide the security professional and network administrator with a comprehensive set of Open Source Network Security Tools. The majority of tools published in the article: Top 125 Security Tools by INSECURE.ORG are available in the toolkit. An advanced Web User Interface (WUI) is provided for system/network administration, navigation, automation, network monitoring, host geolocation, network analysis and configuration of many network and security applications found within the NST distribution. In the virtual world, NST can be used as a network security analysis, validation and monitoring tool on enterprise virtual servers hosting virtual machines.
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    Downloads: 203 This Week
    Last Update:
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  • 6
    OS-uninstaller

    OS-uninstaller

    Remove any operating system in 1 click !

    See https://sourceforge.net/p/os-uninstaller/wiki
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    Downloads: 287 This Week
    Last Update:
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  • 7
    Robolinux

    Robolinux

    MAX Privacy with Robolinux R12.12

    All 3 Robolinux Desktop versions come with new login and grub boot splash screens & LibreWolf browser which has the highest privacy! LibreWolf is a fork of Firefox so you can use its data. The Legacy Bios isos only work in VM's & Non UEFI PC's. Don't miss 50% Off 12+ price only $59.95 Expires May 21 2025 The 12+ Sale details Robo UNTRACKER Custom Installer FREE! Save $40 FAAST Boot Custom Installer FREE! Save $40 Backdoor security Custom Installer FREE! Save $40 12 Advanced upgrades! Privacy App installers FREE! Stealth VM for FREE! Save $40 C Drive to VM for FREE! Save $40 The UNTRACKER makes you 100% anonymous on the internet so you can stop being tracked & traced by Evil Governments & Spy Agencies! All Robolinux R12 rolling realease Legacy BIOS & UEFI versions have the newest 5.15 Linux Kernel, compilers & software libraries & applications. Each rock solid R12 version has Long Term Support through 2030 Follower of YASHUA! John Martinson Robolinux.org
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    Downloads: 126 This Week
    Last Update:
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  • 8
    DracOS GNU/Linux Remastered
    What is DracOS GNU/Linux Remastered ? DracOS GNU/Linux Remastered ( https://github.com/dracos-linux ) is the Linux operating system from Indonesia , open source is built based on Debian live project under the protection of the GNU General Public License v3.0. This operating system is one variant of Linux distributions, which is used to perform security testing (penetration testing). Dracos linux in Arm by hundreds hydraulic pentest, forensics and reverse engineering. Use a GUI-based tools-tools the software using the CLI (command line interface) and GUI (graphical user interface) to perform its operations. Now Dracos currently already up to version 3.1.5 with the code name "KUNTILANAK WITH REMASTERED".
    Downloads: 47 This Week
    Last Update:
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  • 9
    <<Hack|Track GNU/Linux

    <<Hack|Track GNU/Linux

    Distro Penetrasing Live System Burn to USB Flash Disk & Run.

    <<Hack|Track GNU/Linux is an open source operating system developed by the HTGL Project from Indonesia which provides penetration testing.
    Downloads: 34 This Week
    Last Update:
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  • Red Hat Enterprise Linux on Microsoft Azure
    Red Hat Enterprise Linux on Microsoft Azure Icon
    Red Hat Enterprise Linux on Microsoft Azure

    Deploy Red Hat Enterprise Linux on Microsoft Azure for a secure, reliable, and scalable cloud environment, fully integrated with Microsoft services.

    Red Hat Enterprise Linux (RHEL) on Microsoft Azure provides a secure, reliable, and flexible foundation for your cloud infrastructure. Red Hat Enterprise Linux on Microsoft Azure is ideal for enterprises seeking to enhance their cloud environment with seamless integration, consistent performance, and comprehensive support.
    Learn More
  • 10
    Helal Linux

    Helal Linux

    An Ubuntu based GNU/Linux system, suited for Muslim users.

    Helal Linux is an Ubuntu based distribution , it is main goal is to provide a modern, cool, and a stable Linux OS with a pre-installed system settings and software, supporting both Arab and Muslim users with many new features. The word "Helal" is an Arabic word meaning "Crescent" and translated literati from Arabic to English, it has nothing to do with "Halal" which is a something that you can do in Islam.
    Downloads: 15 This Week
    Last Update:
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  • 11
    KaNaPi

    KaNaPi

    Educational Linux Distribution

    Main goals: * Prepare operating system based on Linux kernel and free software for use at home from scratch by building sources. Binary packages/images are also available. * Each package is installed in separate directory, so you can use different versions of applications and libraries by design. * There is only one user 'kanapi' with root permissions, so you don't have to login, remember passwords, etc. * Simple configuration * Automatic compilation.
    Downloads: 36 This Week
    Last Update:
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  • 12
    FlickOS

    FlickOS

    Lightweight, Elegant and Sustainable Operating System

    FlickOS is designed to be lightweight, fast and sustainable, with focus on efficient use of system resources. The project is based on Ubuntu 20.04 and LXLE, which provides a stable and well-supported foundation. Unnecessary packages and services are stripped away, leaving only the essential components needed to minimize resource usage. FlickOS have complete suite of applications like LibreOffice, Firefox, VLC and many essential software for daily use. Save the environment, recycle your old PCs and Flick it. Support If you are having trouble installing or have some suggestions, you can email me at dvbondoy@gmail.com. You may also join our Reddit community at r/flickos, I am always there to answer your questions. Create issues at https://github.com/dvbondoy/FlickOS/issues Download the ISO file, write it to flash-drive using Etcher and boot your computer to the USB.
    Downloads: 14 This Week
    Last Update:
    See Project
  • 13
    vinuxproject

    vinuxproject

    Vinux is an Ubuntu derived distribution for blind & visually impaired.

    Vinux supports software text to speech and Braille support from boot-up to shutdown. Users can use installation medium to install independently with no sighted assistance required. Vinux supports command line environment speech, Desktop environment speech and magnification features. Vinux comes with an accessible suite of software and has an excellent mailing list support group.
    Downloads: 15 This Week
    Last Update:
    See Project
  • 14
    A variant of Ubuntu specifically for the asus eee-pc and other netbook type computers.
    Downloads: 13 This Week
    Last Update:
    See Project
  • 15
    This project is for maintaining a linux system that concentrates on math, logic, and geometry related softwares.
    Downloads: 13 This Week
    Last Update:
    See Project
  • 16
    Ubix Linux

    Ubix Linux

    The Pocket Datalab

    Ubix stands for Universal Business Intelligence Computing System. Ubix Linux is an open-source, Debian-based Linux distribution geared towards data acquisition, transformation, analysis and presentation. Ubix Linux purpose is to offer a tiny but versatile datalab. Ubix Linux is easily accessible, resource-efficient and completely portable on a simple USB key. Ubix Linux is a perfect toolset for learning data analysis and artificial intelligence basics on small to medium datasets. You can find additional information, technical guidance, and user credentials on the project website https://ubix-linux.sourceforge.io/ or on the project subreddit https://reddit.com/r/UbixLinux.
    Downloads: 12 This Week
    Last Update:
    See Project
  • 17
    NebiOS Alternative Mirror (Official)

    NebiOS Alternative Mirror (Official)

    An Ubuntu-based Linux distribution that aims to end user.

    Are you ready for revolution? NebiOS X are coming in Q2 2025 . Stay tuned in https://instagram.com/nebi.software NebiOS X source code can be accessible from here: https://gitlab.com/nebisoft/nebios-cslb/nebios-cslb-2024 === NebiOS 2.0 will reach end of life in the end of the 2025. === Official NebiOS alternative mirror. You can use here if you have issues when downloading the NebiOS from official site. PLEASE DON'T DOWNLOAD NEBIOS FROM UNKNOWN SOURCES! NebiOS is an Ubuntu Linux-based secure, privacy-respectful, universal operating system for your daily life, enterprise, gaming that can replace macOS and Windows. Mininum System Requirements for NebiOS 3: - 64-bit 1.5 GHz 2-core x86 (Intel/AMD) or ARM CPU. - 2 GB RAM - 24 GB 7200 RPM HDD - OpenGL 3 supported GPU, (for example, at least Intel HD 4000 is recommended) - Gaming support via Vulkan will require Vulkan 1.3 - Any PC from 2012, Raspberry Pi 4/400 will run. Raspberry Pi 5 not supported on NebiOS 3.
    Downloads: 6 This Week
    Last Update:
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  • 18
    DCMLinux - Dicom Linux Distribution

    DCMLinux - Dicom Linux Distribution

    Dicom PACS solution for free.

    DCMLinux is a complete PACS system, free of charge. Its core is an Ubuntu 14.04 system fully updated and it contains the DCM4CHEE as its PACS server. In the near future it will contain many other addons such as Weasis, Oviyam, Care2x, etc. Just download the iso, burn it to a CD and boot it up. No need to configure any files of dcm4chee, DCMLinux installer asks for everything it needs to configure a running PACS in minutes. Project Wiki : http://wiki.dcmlinux.org Project Forums: http://forums.dcmlinux.org
    Downloads: 5 This Week
    Last Update:
    See Project
  • 19

    Penetration-Testing-Toolkit v1.0

    A web interface for various penetration testing tools

    Penetration-Testing-Toolkit is a web based project to automate Scanning a network,Exploring CMS, Generating Undectable metasploit payload, DNS-Queries, IP related informations, Information Gathering, Domain related info etc
    Downloads: 4 This Week
    Last Update:
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  • 20
    Debox GNU/Linux Live CD

    Debox GNU/Linux Live CD

    Debox Linux is a live distro based on Debian distribution and Openbox

    Debox GNU/Linux Live CD is a live hybrid distribution based on Debian and OpenBox. Can be used on computers supporting 32-bit (x86) or 64-bit (x86_64) instruction set architectures. Debox was made with the middle and novice user in mind. Includes a wide range of software: word processor, media players, internet browser, email client, disk utilities, java and few games. Also, a plenty of printers, scanners, bluethooth, web cams, digital tv, fax are supported by default. Different from the majority of the distributions, the Debox desktop environment does not tightly integrate every component but use various programs and tweaks that give the final result. Debox Live CD is full persistence capable so you can store your favorite data on hard disk/USB stick. Debox Live CD can run in old computers that have more of 256MB of Ram whith a 700MHz CPU (but strongly advised 2GB of Ram and unleast 2Ghz CPU)
    Downloads: 2 This Week
    Last Update:
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  • 21
    Portable Linux

    Portable Linux

    Portable Ubuntu Linux for Scientific Computing

    Released August 22, 2013 Lubuntu Blends: Biochemistry 13.04 (Raring) v5.44 Linux Kernel Image 3.8.0-29 Lubuntu Blends are pre-installed Wubi disk image remixes of Ubuntu and Debian Science meta packages, A custom boot loader allows installations to be copied and automatically booted from most external or USB flash drives. Once up and running, use earlier Lubuntu Remix README instructions here until documentation is updated. https://sourceforge.net/projects/portable-linux/files/ Installation 1. Download the Wubi installer http://releases.ubuntu.com/saucy/wubi.exe 2. Install any flavor of Ubuntu. 3. Swap out the root.disk with the ones provided here. Overview LAMP stack running on localhost (127.0.0.1). Scientific, productivity & media packages include R (Rattle Data Miner), GridEngine, Condor, cooperative computing tools, WINE, LibreOffice, Evolution, Clinica, Neuro Debian Desktop, PsycoPy, OpenVibe, 3DSlicer, Paraview, Openshot. Cheers, Gregory Remington
    Downloads: 3 This Week
    Last Update:
    See Project
  • 22
    HackShark Linux

    HackShark Linux

    Lightweight Linux distro for penetration testing

    Based on MATE environment HackShark Linux is a lightweight distribution for penetration testing, cyber forensic investigation and vulnerability assessment purpose.
    Downloads: 5 This Week
    Last Update:
    See Project
  • 23
    MobiLinux | Linux Desktop for Android

    MobiLinux | Linux Desktop for Android

    Allowing you to use the Linux desktop everywhere you are

    MobiLinux is a mobile Linux distro based on Ubuntu 12.04 ARMv7 Build and is made to run on Android mobile phones while using little ram. This is based off http://sourceforge.net/projects/linuxonandroid/ and has been very much modified but should still be noted Requirments: - ARM based Android Mobile Phone - Android OS 2.2+ - ROOT ACCESS and BusyBox Binay - loop and ext2 kernel support - 2 GB of free space - 1 GHz CPU (dual-core or overclocked is recommended) - 512 RAM on board (1GB is recommended) - Network Connection (WLAN, LTE/EV-DO, GSM) (optional but suggested) - VNC Viewer - Terminal Emulator
    Downloads: 2 This Week
    Last Update:
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  • 24
    Antorca
    A performance and usability focused Linux distribution based on 64-bit Debian testing. It is the successor to illume OS. To use the live ISO image, login to "root" with the password "antorca".
    Downloads: 3 This Week
    Last Update:
    See Project
  • 25
    Entropy Linux

    Entropy Linux

    Arch based, Modern, Midweight, Practical, Experimental, AMD, Szmelc

    Based on Arch. Built for Power Users and Sysadmins. Built for those who demand control over their system. Optimized for AMD™, it features a global dark theme and a suite of powerful tools for advanced users. Developed by two lead devs and their squad, it’s raw, unpolished, and built for those who love to tinker, learn, and push boundaries. Why Entropy? Power & Flexibility: Designed for power users, sysadmins, and DevOps pros. Advanced Toolset: Custom utilities to boost productivity, AMD™ Optimized: Engineered for peak performance on AMD hardware. Part of a Vision: A key piece of an evolving ecosystem, connecting projects seamlessly. Entropy is a constantly evolving system—designed to be explored, tweaked, and refined. Some setup may be required, but that’s part of the fun. What to Expect? A robust, adaptable distro with powerful tools and limitless customization. Occasional bugs, experimental features, and hidden easter eggs because pushing limits isn’t always smooth!
    Downloads: 1 This Week
    Last Update:
    See Project
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