Browse free open source System software and projects for Windows 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
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  • 1

    The Moluccas

    Portable Build Environment and OSS Distro for Windows

    A pre-configured MinGW focused on ease of use, integration, workflow and completeness. It's also portable and isolated OSS distro.
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    Downloads: 180 This Week
    Last Update:
    See Project
  • 2

    IT-Tech-Tools

    Software for Administrators

    A Collection of programs to help aid Windows Administrators
    Downloads: 0 This Week
    Last Update:
    See Project
  • 3
    PHP Server - Performance Comparison

    PHP Server - Performance Comparison

    PHP SERVER - GENERAL PHP PERFORMANCE COMPARISON SCRIPT

    PHP SERVER PERFORMANCE MEASURING. STRING, ARRAY, OUTPUT (BUFFERED) AND MATH OPERATION BASED MEASURING. ONLY INTERNAL PERFORMANCE IS EVALUATED, DOES NOT MEASURE DISK OR NETWORK PERFORMANCE, RETURNS ONLY SERVER LOAD DEPENDENT SAMPLES, SO PLEASE AVERAGE YOUR SERVERS RUNTIME(S) FOR COMPARISION.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 4
    ejSerial

    ejSerial

    Serial connection Java library

    Java library to send and receive data via Serial COM-Ports. This library is intended to provide an easy way to access the serial-port. Only a few lines of code are needed to Read or Write data via serial port. All Properties and Methods are inspired by the "SerialPort"-Class of the .NET Framework (System.IO.Ports.SerialPort) The benefit of this project is, that it needs only a few lines of code to implement, and a reduced CPU load. Static Methods are available to send/receive String values. For the complete JavaDoc: http://easymodbustcp.net/jserial/javadoc/index.html The library works with Windows 64Bit and Linux 64Bit and Linux 32 Bit ARM (Raspberry Pi)
    Downloads: 0 This Week
    Last Update:
    See Project
  • 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

    paf assistant

    helping tool for creating portable apps

    This nifty tool creates structure, appinfo.ini, launcher.ini, help.html and icon set for you. Now, you can easily make your applications portable like a charm.
    Downloads: 0 This Week
    Last Update:
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  • 6

    pySrcBackup

    Python Based Source Backup

    Automatically detects changes to local source code repository, for an arbitrary version control system.
    Downloads: 0 This Week
    Last Update:
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  • 7
    virtual-ubuntu

    virtual-ubuntu

    Ubuntu (64 bit) OVA, VDI

    Ubuntu (64 bit) OVA, VDI VBoxGuestAdditions: Installed Password: passwort virtual-ubuntu powered by juergenrohn
    Downloads: 0 This Week
    Last Update:
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