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

  • The Most Powerful Software Platform for EHSQ and ESG Management Icon
    The Most Powerful Software Platform for EHSQ and ESG Management

    Addresses the needs of small businesses and large global organizations with thousands of users in multiple locations.

    Choose from a complete set of software solutions across EHSQ that address all aspects of top performing Environmental, Health and Safety, and Quality management programs.
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  • Skillfully - The future of skills based hiring Icon
    Skillfully - The future of skills based hiring

    Realistic Workplace Simulations that Show Applicant Skills in Action

    Skillfully transforms hiring through AI-powered skill simulations that show you how candidates actually perform before you hire them. Our platform helps companies cut through AI-generated resumes and rehearsed interviews by validating real capabilities in action. Through dynamic job specific simulations and skill-based assessments, companies like Bloomberg and McKinsey have cut screening time by 50% while dramatically improving hire quality.
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  • 1
    Xiaomi.eu Multilang MIUI ROMs

    Xiaomi.eu Multilang MIUI ROMs

    OFFICIAL mirror of MIUI Multilang ROM by https://xiaomi.eu/

    Included languages: English (en.miui.com, xiaomi.eu) Chinese (miui.com) Polish (Acid, miuipolska.pl) Slovak (ingbrzy, https://miuios.cz) Czech (VMach, https://miuios.cz) Bulgarian (Global) Hungarian (vagyula, miui.hu) French (Global) Swedish (Global) Russian (Global) Ukrainian (Global) Belorussian (Global) Croatian (Masva, MIUI Adria) Vietnamese (Belmont-Gabriel) Italian (miui.it) Greek (Global) Norwegian (Global) Dutch (cueie, mannyribo, redmaner) Spanish (nosijf982) Turkish (suatsari) Brazilian-Portuguese (Global, Feurrado, Lobianco) Portuguese (KcNirvana, Lippe35) Hebrew (Global) Romanian (ashtefan) German (muhamed89, cp82, dahool2016, and more) Catalan (deivids84) Korean (cjhyuky, bradly1, xiaomiqm) Slovenian (bostjan2016) Serbian (dudjaa) Thai (Global) Finnish (dogiex) Arabic (Global) Japanese (ScratchBuild) Burmese (Global) Danish (Global)
    Leader badge
    Downloads: 20,260 This Week
    Last Update:
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  • 2
    Arrow OS

    Arrow OS

    It is an AOSP based project with an aim of keeping things clean!

    ArrowOS is an AOSP based open source project started with the aim of keeping things simple, clean and neat, both for the Android system and users. We understand the pain of unnecessary and sometimes rarely used mods/features being shipped with custom roms nowadays which may end up causing battery drains and/or memory leaks. This is being strictly avoided on our side keeping everything to a bare minimum, delivering the stable performance all the time without destroying the AOSP interface. With users getting more used to tweaks and features, we added just the right stuff that will be actually USEFUL at the end of the day.
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    Downloads: 894 This Week
    Last Update:
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  • 3
    LinuxonAndroid

    LinuxonAndroid

    A range of linux distros for your Android device

    This projects aim is to bring a range of linux distros to your android device through a method known as 'chroot', see it has running a linux distro within a virtual machine on your phone. You can access this virtual machine and run it on your phone without causing any damage to your device, or having to overwrite anything. Why might you want this? well my apps are designed to make the install and set up process as easy as possible (more so in the paid apps) while still giving you some flexibility. Once you have the distro up and running then you can pretty much run and install any linux software you like (so long as there is a arm port or it is not architecturaly dependent).
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    Downloads: 359 This Week
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  • 4
    fake lezard  ByFL nitrogen MI MAX 3 roms
    ROMS From Fake Lezard on nitrogen Alias (ByFL) ROM for Xiaomi MI MAX 3 Stable and Fast Android 11 to 16 ports for nitrogen. Custom Snake/Neo Kernel optimized for performance. Cleaned system and vendor partitions (ByFL). Includes essential tools (Mi Flash, Drivers, Recovery).
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    Downloads: 409 This Week
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  • AestheticsPro Medical Spa Software Icon
    AestheticsPro Medical Spa Software

    Our new software release will dramatically improve your medspa business performance while enhancing the customer experience

    AestheticsPro is the most complete Aesthetics Software on the market today. HIPAA Cloud Compliant with electronic charting, integrated POS, targeted marketing and results driven reporting; AestheticsPro delivers the tools you need to manage your medical spa business. It is our mission To Provide an All-in-One Cutting Edge Software to the Aesthetics Industry.
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  • 5
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    Downloads: 126 This Week
    Last Update:
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  • 6
    OSHI

    OSHI

    Native Operating System and Hardware Information

    OSHI is a free JNA-based (native) Operating System and Hardware Information library for Java. It does not require the installation of any additional native libraries and aims to provide a cross-platform implementation to retrieve system information, such as OS version, processes, memory and CPU usage, disks and partitions, devices, sensors, etc.
    Downloads: 8 This Week
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  • 7
    The Fresh Project

    The Fresh Project

    Simply Awesome.

    The official home of Fresh, a One UI-based custom firmware for Samsung devices.
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    Downloads: 204 This Week
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  • 8
    Mobilinux - Linux for Android

    Mobilinux - Linux for Android

    This application will allow you to install and run Linux on Android !

    The app supports ROOTED as well as NOROOTED devices. Use your mobile as a Pocket PC !! For Root Method: The application creates a disk image on a flash card, mounts it and installs an OS distribution. Applications of the new system are run in a chroot environment and working together with the Android platform. All changes made on the device are reversible, i.e. the application and components can be removed completely. Installation of a distribution is done by downloading files from official mirrors online over the internet. The application requires superuser rights (ROOT).Installing a new operating system takes about 15 minutes. The recommended minimum size of a disk image is 1024 MB (with LXDE), and without a GUI - 512 MB. Noroot Method: Install MOBICONSOLE addon and then install the linux on a non-rooted phone.
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    Downloads: 112 This Week
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  • 9
    CyanogenMod 13

    CyanogenMod 13

    Android Marshmallow for MSM8930 Samsung Devices

    Pure CyanogenMod 13
    Downloads: 41 This Week
    Last Update:
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  • Award-Winning Medical Office Software Designed for Your Specialty Icon
    Award-Winning Medical Office Software Designed for Your Specialty

    Succeed and scale your practice with cloud-based, data-backed, AI-powered healthcare software.

    RXNT is an ambulatory healthcare technology pioneer that empowers medical practices and healthcare organizations to succeed and scale through innovative, data-backed, AI-powered software.
    Learn More
  • 10
    DIET-PC (DIskless Embedded Technology Personal Computer) is a software kitset enabling IT professionals to build an open source GUI appliance based on commodity x86 (PC), PowerPC (Mac) or ARM (handheld) hardware, using an embedded Linux methodology.
    Downloads: 10 This Week
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  • 11
    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.
    Downloads: 7 This Week
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  • 12
    NamelessROM

    NamelessROM

    Custom ROM for Android

    NamelessRom is opportunity; an opportunity to have a voice to the development team of the after-market firmware that you run on your device. The main goal of NamelessRom is to provide quality development for android devices, phones, and tablets alike. NamelessRom developers are available nearly 24/7 and respond to bug reports and feature requests almost instantly. This availability will allow you, the end-user, to have direct input into exactly what features and functions are included on the firmware that YOU run. NamelessRom == endless possibilities. Unless you have an iPhone, then you're out of luck. Get more information and find support on our forums at https://nameless-rom.org
    Downloads: 16 This Week
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  • 13
    Life

    Life

    Linux for Education based on Ubuntu MATE

    Li-f-e: Linux for Education. A free Linux distribution for education.
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    Downloads: 14 This Week
    Last Update:
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  • 14
    BackSlash Linux

    BackSlash Linux

    Linux based operating system with OOBE - comprises of FOSS.

    BackSlash Linux will no longer receive updates. BackSlash Linux is going to discontinued as of Sept 15, 2021 for a good reason. There is an article on the main page of https://www.backslashlinux.com which will explain the reason of the discontinuation of the project and future plans. I thank you all for the love and support.
    Downloads: 6 This Week
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  • 15
    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: 6 This Week
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  • 16
    android4desktop

    android4desktop

    Android for Desktop

    Its Android for Desktops. 100% free. Live + Installable ISO image Current version - Android 4.4.4 Click - https://sourceforge.net/projects/android422x86/ for a android jellybean version with UEFI support
    Downloads: 9 This Week
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  • 17
    Downloads: 6 This Week
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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: 2 This Week
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  • 19
    Pardus Topluluk Sürümü

    Pardus Topluluk Sürümü

    Pardus Topluluk Sürümü - Pardus Community Edition

    Pardus Topluluk Sürümü Nedir? Pardus Topluluk Sürümü, TÜBİTAK/ULAKBİM’den bağımsız olarak geliştirilen bir GNU/Linux dağıtımıdır. TÜBİTAK/ULAKBİM’den isim hakkı için izin alınmıştır. Topluluk sürümü ile herkese hitap eden, kolay kurulan, çok dilli ve kendine özgü araçlara sahip bir dağıtım yapılması hedeflenmektedir. Çalışmalarda Debian GNU/Linux alt yapısı kullanılmaktadır. What is Pardus Community Edition? Pardus Community Edition, is a GNU/Linux distribution which is being distributed independent from TÜBİTAK/ULAKBİM. Permissions to use the “Pardus” name have been obtained from TÜBİTAK/ULAKBİM.
    Downloads: 2 This Week
    Last Update:
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  • 20
    BackDroid

    BackDroid

    Android Custom ROM for Network Testing.

    The possibilities are endless with a Penitration Test. That is just something you can do with this though.
    Downloads: 3 This Week
    Last Update:
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  • 21
    Citrus-CAF

    Citrus-CAF

    Android Custom ROM based on CAF source

    Downloads: 2 This Week
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  • 22
    CodeCampus

    CodeCampus

    CodeCampus is a learning-first Linux OS for CSE and IT students

    CodeCampus OS is a custom Linux distribution based on Ubuntu 24, designed for beginner developers, computer science students, and self-learners who want to start coding without friction. Unlike traditional setups that require hours of installation and configuration, CodeCampus provides a fully pre-configured, learning-first environment right out of the box. From the moment you boot, everything is ready—so you can focus on learning, experimenting, and building instead of troubleshooting. CodeCampus solves this by removing setup complexity and providing a ready-to-use development environment that lets you start coding immediately. 👉 Getting started guide: https://codecompasss.github.io/code_campus_userguide/getting-started/
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    Downloads: 2 This Week
    Last Update:
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  • 23
    LaimEditor

    LaimEditor

    The new multi-platform text editor with syntax highlighting

    LaimEditor is new multi-platform portable text editor with syntax highlighting for many popular programming languages. It is writen on Java and can be launched on most computers with Java installed. Supported languages: C, C++, C#, CSS, Delphi, Fortran, HTML, Java, JavaScript, Latex, Perl, PHP, Python, XML, Windows batch, Unix shell It is planned to support more languages in future. Also it is planned to add compilers for languages like Java.
    Downloads: 2 This Week
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  • 24
    umi-project

    umi-project

    Just bring Linux for a better world

    U M I, pronounce "ou" "ème" "aie" to an approach of "you & I" expression, is meant to be a derivative of Ubuntu, a Linux distribution. U M I is a system that wants generalist, simple and tailored to your needs. M I perhaps as "Maths Infos", "Mission Impossible", "Micro Imagination", "Museum Incarnation", ..., "Mandela Ideologie", ...,"Magne Isapèt" :), ... ; but in reality M I for "Me Inside", inside Linux, inside Debian, inside Ubuntu. This project designates all logistics associated developments. The goal is to promote the development of secure and robust software combining beauty and elegance for Linux platforms .
    Downloads: 2 This Week
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  • 25
    Downloads: 1 This Week
    Last Update:
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