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.

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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: 11,515 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.
    Leader badge
    Downloads: 834 This Week
    Last Update:
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  • 3
    Leader badge
    Downloads: 117 This Week
    Last Update:
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  • 4
    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).
    Downloads: 94 This Week
    Last Update:
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  • 5
    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: 139 This Week
    Last Update:
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  • 6
    fake lezard  ByFL nitrogen MI MAX 3 roms

    fake lezard ByFL nitrogen MI MAX 3 roms

    MI MAX 3 COMMUNITY DRIVEN ROM Android 11-16 nitrogen

    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).
    Downloads: 127 This Week
    Last Update:
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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.
    Leader badge
    Downloads: 141 This Week
    Last Update:
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  • 8
    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
    Leader badge
    Downloads: 89 This Week
    Last Update:
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  • 9
    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: 16 This Week
    Last Update:
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  • Veeam Data Platform v13.1 - Get Your Free Trial Icon
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  • 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.
    Leader badge
    Downloads: 8 This Week
    Last Update:
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  • 11
    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: 1 This Week
    Last Update:
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  • 12
    CyanogenMod 13

    CyanogenMod 13

    Android Marshmallow for MSM8930 Samsung Devices

    Pure CyanogenMod 13
    Leader badge
    Downloads: 15 This Week
    Last Update:
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  • 13
    SLAX based LiveCD showcasing Sun Microsystem's open source project "Project Looking Glass 3D" (LG3D). Presented in 2004 LG3D combines a stunning 3D UI with the benefits of Java (easily expandable and reusable code, platform independency, etc.).
    Downloads: 5 This Week
    Last Update:
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  • 14
    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: 13 This Week
    Last Update:
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  • 15
    Life

    Life

    Linux for Education based on Ubuntu MATE

    Li-f-e: Linux for Education. A free Linux distribution for education.
    Leader badge
    Downloads: 6 This Week
    Last Update:
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  • 16
    Victara_Universe
    Project to support Motorola Moto X 2014 And Other supported devices by Victara_Universe Team!
    Downloads: 6 This Week
    Last Update:
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  • 17
    Downloads: 3 This Week
    Last Update:
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  • 18
    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/
    Downloads: 2 This Week
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  • 19
    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: 1 This Week
    Last Update:
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  • 20
    Is a directory system with many features like easy schema edition, and easy certificate, dns names, group and users management. Allows you to import and export user accounts from Active Directory and OpenLDAP.
    Downloads: 1 This Week
    Last Update:
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  • 21
    Ajax Portal (WebOS and Portal)
    Ajax Portal (WebOS & Enterprise Portal). Ajax Portal is open source cross-platform cross-browser Web 2.0 / Web 3.0 solution which is based on a new architecture of WebOS and Enterprise Portals. Our Enterprise Portal can work as Mashup (WOA approach). The portal provides Portlet/Portal API, Services. It's posible to use the Decoration module of the portal as a part of the standard Web application (Web 2.0 / Web 3.0 application). Open Source allows you to try and evaluate our Web 2.0 / Web 3.0 Enterprise Ajax Portal for free.
    Downloads: 1 This Week
    Last Update:
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  • 22
    Anthon

    Anthon

    Anthon is a Chinese x86_64 based Linux distribution based on openSuSE

    Anthon is a Chinese-created x86_64 based Linux distribution based on openSuSE created by "Anthon.Dev", a small development team of three junior school students. The distro is made for home users, with a nicely-designed interface based on GNOME 3. Aimed to make it easy and fast to use. Contact Us: Developers: anthon.developers@gmail.com Help: anthon.ifuneedicanhelp@gmail.com
    Downloads: 1 This Week
    Last Update:
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  • 23
    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: 1 This Week
    Last Update:
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  • 24
    FyDB is a distributed in-memory no-SQL DB. It supports distributed deployment, and can integrate heterogeneous data sources. Data of FyDB is stroed in memory as key-value structure, and it is also persistent. Join this project: fuyuncat@gmail.com
    Downloads: 1 This Week
    Last Update:
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  • 25
    PACS VM

    PACS VM

    ISO - Customized version of dcm4chee 2.17.3 for MySQL.

    1. Add JBoss Application Server 4.2.3.GA for JDK 6. 2. Cleanup for Windows and deprecated files. 3. Off CONSOLE records - http://forums.dcm4che.org/jiveforums/thread.jspa?messageID=4787
    Downloads: 1 This Week
    Last Update:
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