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

  • 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.
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  • 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.
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  • 1
    di

    di

    advanced disk information utility

    'di' is a disk information utility, displaying everything (and more) that your 'df' command does. It features the ability to display your disk usage in whatever format you prefer. 'di' also checks the user and group quotas, so that the user sees the space available for their use, not the system wide disk space. 'di' is designed to be portable across many platforms and is great for heterogenous networks.
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    Downloads: 31 This Week
    Last Update:
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  • 2
    innoextract

    innoextract

    Tool to unpack installers created by Inno Setup

    Inno Setup is a tool to create installers for Microsoft Windows applications. innoextract allows to extract such installers under non-Windows systems without running the actual installer using Wine. NOTE: NEW VERSIONS WILL NOT BE UPLOADED TO SOURCEFORGE! Instead, use the official website at http://constexpr.org/innoextract/
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    Downloads: 28 This Week
    Last Update:
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  • 3
    Basic Compression Library is a portable library of well known compression algorithms, such as Huffman coding, written in standard ANSI C. It is intended to serve as a set of building blocks for specialized compression algorithms.
    Downloads: 1 This Week
    Last Update:
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  • 4
    A JNLP client compatible with small JVM's such as Creme. It allows to download, update and start a Java application that is deployed using JNLP. The client can be used to deploy Java applications to handheld devices/PDA's.
    Downloads: 1 This Week
    Last Update:
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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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  • 5
    A tool which allows you to download all erotic images and videos hosted on popular image hosting sites tagged with a given tag without clicking you through the web interface. ,,java bayimg yourtag'' is enought.
    Downloads: 0 This Week
    Last Update:
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  • 6
    IoBind is a C++ STL compliant library to easily serializing objects to/from string, handle encodings, add encrypion, convert to base64, etc. IoBind uses Meta-Programming to acheive a new way of looking at ostream.
    Downloads: 0 This Week
    Last Update:
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  • 7
    An image manipulation tool for Commodore 8-bit computers' graphic formats.
    Downloads: 0 This Week
    Last Update:
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  • 8
    PeLib is a compiler-independent C++ library that can be used to work with Windows PE files.
    Downloads: 0 This Week
    Last Update:
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  • 9
    A web-based software archiving system, written in PHP. By caching software locally on your LAN, you will speed up subsequent file transfers. Modifications are password protected and are also administered through a web browser. archive repository
    Downloads: 0 This Week
    Last Update:
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  • Application Monitoring That Won't Slow Your App Down Icon
    Application Monitoring That Won't Slow Your App Down

    AppSignal's Rust-based agent is lightweight and stable. Already running in thousands of production apps.

    Full APM with errors, performance, logs, and uptime monitoring. 99.999% uptime SLA on the platform itself.
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