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

  • Try Google Cloud Risk-Free With $300 in Credit Icon
    Try Google Cloud Risk-Free With $300 in Credit

    No hidden charges. No surprise bills. Cancel anytime.

    Use your credit across every product. Compute, storage, AI, analytics. When it runs out, 20+ products stay free. You only pay when you choose to.
    Start Free
  • Fully Managed MySQL, PostgreSQL, and SQL Server Icon
    Fully Managed MySQL, PostgreSQL, and SQL Server

    Automatic backups, patching, replication, and failover. Focus on your app, not your database.

    Cloud SQL handles your database ops end to end, so you can focus on your app.
    Try Free
  • 1
    JPPF

    JPPF

    The open source grid computing solution

    JPPF makes it easy to parallelize computationally intensive tasks and execute them on a Grid.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 2
    ZED OS

    ZED OS

    ZED OS the clone of Windows XP

    ZED OS is a portuguese Linux based distribution (remaster of Ubuntu Mate). It was designed for users who want an innovative system. With both 3D and 2D interfaces you'll be able to chosse the better one according to your hardware/needs. It's Web Based and inspired in Windows XP from Microsoft
    Downloads: 2 This Week
    Last Update:
    See Project
  • 3
    python enteprise integration framework project. Powerfull class library based on EAI patterns and a modeling and simulation tool.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 4
    AtomicDate is a Simple Network Time Protocol (SNTP) implementation in Java, as described by RFC 2030. It's composed by a client/server framework and works as an extension to java.util.Date class.
    Downloads: 0 This Week
    Last Update:
    See Project
  • Custom VMs From 1 to 96 vCPUs With 99.95% Uptime Icon
    Custom VMs From 1 to 96 vCPUs With 99.95% Uptime

    General-purpose, compute-optimized, or GPU/TPU-accelerated. Built to your exact specs.

    Live migration and automatic failover keep workloads online through maintenance. One free e2-micro VM every month.
    Try Free
  • 5
    Big-Brother is a collection of J2EE filters and servlets that provide custom monitoring and auditing of web-applications, keeping track of who does what, when, and how often. It makes use of the jakarta-apache Struts framework for the interface GUI.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 6
    DotNetWikiBot Framework

    DotNetWikiBot Framework

    Make robots for MediaWiki-powered sites!

    The DotNetWikiBot Framework was developed so that it can offer a helping hand with many complicated and routine tasks of wiki site development and maintenance. DotNetWikiBot Framework is a cross-platform full-featured client API, that allows you to build programs and web robots easily to manage information on MediaWiki-powered sites. DotNetWikiBot Framework can also be used for learning C# and .NET.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 7
    Gobisoft

    Gobisoft

    Software auto-installation builder

    Gobisoft is a batch package builder for applications, it builds a self-install package of your programs. Creates a stand alone executable file that performs the (secured installation and removing) of the elements necessary to distribute your applications. The software offers many possibilities, such as executing commands before and after installation.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 8
    J2EE Polls component using the Struts framework and the Spring Framework. It is easy to install and easy to integrate with existing applications. The goal is to illustrates some of Struts\' and Spring's potential with a simple real-life example.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 9
    The MACA objective is to provide user authentication, session management and authorization services independently of platform. Authorization servive is based on a contextual role-based access control model that extends NIST RBAC
    Downloads: 0 This Week
    Last Update:
    See Project
  • Gemini 3 and 200+ AI Models on One Platform Icon
    Gemini 3 and 200+ AI Models on One Platform

    Access Google's best plus Claude, Llama, and Gemma. Fine-tune and deploy from one console.

    Build generative AI apps with Vertex AI. Switch between models without switching platforms.
    Start Free
  • 10
    Mailster is a project aimed at testing software mail capabilities. It provides a mail server container to test emails sent by your apps without rewriting your application code.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 11
    Marx Explorer project is a web file manager developed in Java, which main function is to help manage static files of an intranet or website and to integrate with other systems to help the end user to select, preview and modify an picture for a news system
    Downloads: 0 This Week
    Last Update:
    See Project
  • 12
    PHPatch is (to be) an extensible task oriented/platform independent application in PHP, for web application management operations (but not restricted), similar to Java Ant.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 13
    Credits is a module that extends the functionality and features of XOOPS, a modular CMS. Credits alows for controled display of a web sites credits (e.g. Webmasters, Moderators, etc.).
    Downloads: 0 This Week
    Last Update:
    See Project
  • 14
    Can emulate old computer on text the code pogram ideal to create kernel for operating system The begin the project the can emulate CPU(8080)and z80.
    Downloads: 0 This Week
    Last Update:
    See Project
  • Previous
  • You're on page 1
  • Next
MongoDB Logo MongoDB