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.

  • AI-generated apps that pass security review Icon
    AI-generated apps that pass security review

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  • Find Hidden Risks in Windows Task Scheduler Icon
    Find Hidden Risks in Windows Task Scheduler

    Free diagnostic script reveals configuration issues, error patterns, and security risks. Instant HTML report.

    Windows Task Scheduler might be hiding critical failures. Download the free JAMS diagnostic tool to uncover problems before they impact production—get a color-coded risk report with clear remediation steps in minutes.
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  • 1
    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: 9 This Week
    Last Update:
    See Project
  • 2
    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: 5 This Week
    Last Update:
    See Project
  • 3
    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: 3 This Week
    Last Update:
    See Project
  • 4
    Sakura is a Knowledge Navigator and User Interface for UNIX, which implements HyperMedia and its own windowing and packing system, both in the main program and in an extensive API for Tcl and other languages.
    Downloads: 0 This Week
    Last Update:
    See Project
  • Gen AI apps are built with MongoDB Atlas Icon
    Gen AI apps are built with MongoDB Atlas

    The database for AI-powered applications.

    MongoDB Atlas is the developer-friendly database used to build, scale, and run gen AI and LLM-powered apps—without needing a separate vector database. Atlas offers built-in vector search, global availability across 115+ regions, and flexible document modeling. Start building AI apps faster, all in one place.
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  • 5
    Self-aware dynamic, reflective, and declarative semantic space representation, transformation, and exploration system.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 6
    aLinux v15.0
    Inspiring Operating System replaces Windows 8, Vista, XP and Mac OS X. (Are you tired of nasty viruses, worms, trojans, rootkits, dialers, spyware, and malware?). If so, make a smart move and get a newbie friendly free Linux Operating System today!
    Downloads: 0 This Week
    Last Update:
    See Project
  • 7
    asvn
    The Arc-live(X86-i386)is a distribution live dvd and pendrive with automatic hardware detection and is now included the kernel-3.2.0-4-486/3.2.0-4-686-pae(arc-live-1.0.1-wheezy stable with live-installer).
    Downloads: 0 This Week
    Last Update:
    See Project
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