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

  • Ship Agents Faster Icon
    Ship Agents Faster

    Transform your applications and workflows into powerful agentic systems at global scale.

    Gemini Enterprise Agent Platform lets you rapidly build, scale, govern and optimize production-ready agents grounded in your organization's data. The platform enables developers to build custom or pre-built agents for virtually any use case. New customers get $300 in free credits.
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  • MongoDB Atlas runs apps anywhere Icon
    MongoDB Atlas runs apps anywhere

    Deploy in 115+ regions with the modern database for every enterprise.

    MongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.
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  • 1
    winPenPack

    winPenPack

    The portable software collection

    winPenPack is a project that aims at collecting the most frequently used and most popular open source applications made portable, so that they can be executed without installation from any USB Flash Drive or Hard Disk. The winPenPack suites offer a wide range of portable applications like office tools, internet tools, multimedia tools, development tools, security applications and other frequently used utilities. Everything you need, completely free, open source and portable!
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    Downloads: 479 This Week
    Last Update:
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  • 2
    SCADA-LTS

    SCADA-LTS

    A comprehensive Supervisory Control, Data Acquisition, and Execution

    SCADA-LTS is an advanced FOSS, web-based, multi-platform environment designed to build your own Supervisory Control, Data Acquisition, and Management Execution Software - SCADA/MES. Its architecture provides a robust foundation for complex industrial automation and monitoring. Optimized for Smart Infrastructure, it is highly capable of managing industrial PV/BESS, Smart buildings, municipal Water networks or Wastewater treatment, ANPR telemetry, City-wide lighting, and other diverse data administration workflows. Beyond standard use, SCADA-LTS serves as a secure "independent source of truth" in sandboxed or zero-trust environments. It enhances critical infrastructure with cyber-alarm functionality, emergency operation scenarios, and vital operational visibility. Developed since 2015 on behalf of Abil'I.T. and supported by a global community, the project focuses on stability, security, and modernizing the codebase to meet the demands of industry, defense, and wide-area distributed
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    Downloads: 18 This Week
    Last Update:
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  • 3
    FOAFRealm (also called D-FOAF in version 2.0) is a distributed user profile management system based on FOAF. FOAFRealm is a set of tools that enables to manipulate FOAF (Friend-of-a-Friend) information within J2EE application and provides Realm implement
    Downloads: 0 This Week
    Last Update:
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  • 4
    Role Manager is a security management framework based on the NIST model for Role Based Access Control (RBAC) and the Java[TM] 2 Platform security standards. The access control policies and the RBAC Model are implemented using the RBAC profile of XACML.
    Downloads: 0 This Week
    Last Update:
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  • Paessler: Easy to Use With Enterprise Power. Free Trial Icon
    Paessler: Easy to Use With Enterprise Power. Free Trial

    A low-code dashboard makes monitoring intuitive for any admin, while scripting and custom sensors give experts full control.

    You shouldn't have to choose between a monitoring tool that's easy to use and one that's powerful enough for a complex environment. PRTG's low-code interface lets any admin build dashboards, set alerts and monitor devices without scripting, while custom sensors and full API access are there when your team needs deeper control. One platform, no compromise. Download a free 30-day trial now.
    Get Free Download
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