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.

  • Our Free Plans just got better! | Auth0 Icon
    Our Free Plans just got better! | Auth0

    With up to 25k MAUs and unlimited Okta connections, our Free Plan lets you focus on what you do best—building great apps.

    You asked, we delivered! Auth0 is excited to expand our Free and Paid plans to include more options so you can focus on building, deploying, and scaling applications without having to worry about your security. Auth0 now, thank yourself later.
    Try free now
  • Gen AI apps are built with MongoDB Atlas Icon
    Gen AI apps are built with MongoDB Atlas

    Build gen AI apps with an all-in-one modern database: MongoDB Atlas

    MongoDB Atlas provides built-in vector search and a flexible document model so developers can build, scale, and run gen AI apps without stitching together multiple databases. From LLM integration to semantic search, Atlas simplifies your AI architecture—and it’s free to get started.
    Start Free
  • 1
    KShutdown

    KShutdown

    A graphical shutdown utility for Linux and Windows

    KShutdown is a graphical shutdown utility for Linux and Windows. It allows you to turn off or suspend a computer at a specified time. It features various time and delay options, command-line support, and notifications.
    Leader badge
    Downloads: 124 This Week
    Last Update:
    See Project
  • 2
    Yabause
    Yabause is a portable Sega Saturn emulator.
    Downloads: 57 This Week
    Last Update:
    See Project
  • 3
    Additional error correction for CD, DVD and BD media.
    Downloads: 80 This Week
    Last Update:
    See Project
  • 4
    SYDI is a project aimed to help system administrators in getting started with their Network Documentation. It can document Windows Servers, MS SQL Servers, Exchange Organizations and Linux systems.
    Downloads: 15 This Week
    Last Update:
    See Project
  • Build Securely on AWS with Proven Frameworks Icon
    Build Securely on AWS with Proven Frameworks

    Lay a foundation for success with Tested Reference Architectures developed by Fortinet’s experts. Learn more in this white paper.

    Moving to the cloud brings new challenges. How can you manage a larger attack surface while ensuring great network performance? Turn to Fortinet’s Tested Reference Architectures, blueprints for designing and securing cloud environments built by cybersecurity experts. Learn more and explore use cases in this white paper.
    Download Now
  • 5
    Arisen Studio

    Arisen Studio

    Browse, Download and Install Mods for PlayStation 3 & Xbox 360

    The elegant, powerful, and open-source mod manager. Arisen Studio allows you to easily browse through a regularly updated database of mods, game saves, homebrew, resources, themes, and much more for the PlayStation 3 and Xbox 360. All mods have been tested and verified in our library, which is populated by myself, a few friends, and awesome contributors. Arisen Studio can also be used as an FTP client to install and uninstall mods directly from your console. Without the need to search up old posts or use file managers - this will do everything for you.
    Downloads: 13 This Week
    Last Update:
    See Project
  • 6
    Little Registry Cleaner
    Little Registry Cleaner is an open source program designed for Microsoft's Windows Registry. Its purpose is to remove obsolete or unwanted items that build up in the registry over time in order to improve the stability & performance of your computer
    Downloads: 6 This Week
    Last Update:
    See Project
  • 7
    Software that will keep track of your favorite internet game servers such as Quake 3 &4, Enemy Territory, Call of Duty, Counter Strike & Warsow etc. Supports filtering and country locations...
    Downloads: 11 This Week
    Last Update:
    See Project
  • 8
    Web-based hardware/software inventory management for Windows, Linux, BSD computers. H-Inventory provides incident and intervention management, user and network management, network maps, services monitoring and application deployment.
    Downloads: 4 This Week
    Last Update:
    See Project
  • 9
    Unetbootinbitti

    Unetbootinbitti

    Tool for creating live usb-drives and downloading distros

    Tool for creating live usb-drives and downloading distros. This is an upgraded version of Unetbootin focusing on Bittix linux 9 and above and Linux Mint and Linux Mint debian. Has Distrowatch.com link etc.
    Downloads: 12 This Week
    Last Update:
    See Project
  • Build Securely on Azure with Proven Frameworks Icon
    Build Securely on Azure with Proven Frameworks

    Lay a foundation for success with Tested Reference Architectures developed by Fortinet’s experts. Learn more in this white paper.

    Moving to the cloud brings new challenges. How can you manage a larger attack surface while ensuring great network performance? Turn to Fortinet’s Tested Reference Architectures, blueprints for designing and securing cloud environments built by cybersecurity experts. Learn more and explore use cases in this white paper.
    Download Now
  • 10
    RunAsAdmin Explorer Shim is a tool that lets administrators to keep and easily use their administrative rights but still enjoy safety of using least privileged accounts.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 11
    exportFromXL is a SAS macro for exporting data from Excel into CSV or TXT files using Dynamic Data Exchange. It works on all versions of PC SAS, Excel and Windows -- but notably not on any version of SAS running off of a server.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 12
    A WebDAV file manager channel for uPortal. An easy way to provide access to users home directories and other network resources in uPortal. Uses Apache Slide as base API for handling the communication to the WebDAV server
    Downloads: 0 This Week
    Last Update:
    See Project
  • 13
    CnxManager allows you to associate actions with network connections. These actions will be launched when a connection becomes active and allow to change proxy settings, redirect ports, launch applications and many more through the use of plugins
    Downloads: 0 This Week
    Last Update:
    See Project
  • 14
    GTCop Professional Security Appliance aims to provide a powerful tool for satellite communications, with enhanced QoS and bandwidth controls. As derived from IPCop Firewall, it is a stable, secure, easy to configure and maintain GNU/Linux firewall box.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 15
    Gloster is a secure and decentralized p2p program for small communities working under Linux and Windows
    Downloads: 0 This Week
    Last Update:
    See Project
  • 16
    Mobile Robotics is a java project developing wireless communication using bluetooth between a hand-held (palm, cellular phone) to a Lego Mindstorm device. We intend to bypass the limitations of the IR tower creating a truly wireless mindstorm.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 17
    This project intends to build a complete CallerID-function for home- or small buisniess environments. It depends on simple hardware which everyone can build. It will present the incomming call's number on every workstation on the network.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 18
    NokSync is a Thunderbird extension, which synchronizes contacts between Mozilla Thunderbird and most NOKIA phones. NokSync will compare Thunderbird address books with contacts in a NOKIA phone, and synchronize them under user control.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 19
    Phenix Support Portal is a merge of features in mhd and IRM + further thoughts that the developer has come up with through the use of helpdesk software. It will provide the IT-support dept with a large set of tools, both web and desktop based to handle t
    Downloads: 0 This Week
    Last Update:
    See Project
  • 20
    The application is written in C#/.NET. It is used to keep track of your poker play in order to give statistics and an overview. It does function as it is but more features should be added. Runs on Windows systems.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 21
    Make your own register-files with REG-Creator without even starting regedit. (swedish, english in the future)
    Downloads: 0 This Week
    Last Update:
    See Project
  • 22
    Apan, Advanced Performance Addon for Nagios, is a tool that is used to store performance-related data from service-checks done by Nagios (www.nagios.org).
    Downloads: 0 This Week
    Last Update:
    See Project
  • 23
    exportToXL is a SAS macro for exporting data from PC SAS onto custom-formatted Excel spreadsheets using Dynamic Data Exchange. It works on all versions of PC SAS, Excel and Windows -- but notably not on any version of SAS running off of a server.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 24
    muCommander is a cross-platform file manager with a dual-pane interface that features support for many filesystems and archives formats, bookmarks, credentials management, themes, multiple windows, full keyboard control, and many configuration options.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 25
    rvSnoop is a graphical application that provides developers and operations support personnel with a sophisticated and feature-rich interface for tracing TIBCO Rendezvous™ messages. rvSnoop has been tested with Java 1.4.2 and later.
    Downloads: 1 This Week
    Last Update:
    See Project
  • Previous
  • You're on page 1
  • Next