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

  • Go from Code to Production URL in Seconds Icon
    Go from Code to Production URL in Seconds

    Cloud Run deploys apps in any language instantly. Scales to zero. Pay only when code runs.

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    Train ML Models With SQL You Already Know

    BigQuery automates data prep, analysis, and predictions with built-in AI assistance.

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  • 1
    WinMerge

    WinMerge

    Windows visual diff and merge for files and directories

    WinMerge is a Windows tool for visual difference display and merging, for both files and directories. It is highly useful for determining what has changed between file versions, and then merging those changes. WinMerge has Unicode support, Flexible syntax coloring editor, Visual SourceSafe integration, and Windows Shell integration. Regexp filtering for filenames and lines. Side-by-side line difference and highlights differences inside lines. A file map shows the overall file differences in a location pane. The user interface is translated into several languages.
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    Downloads: 36,532 This Week
    Last Update:
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  • 2
    NSIS: Nullsoft Scriptable Install System

    NSIS: Nullsoft Scriptable Install System

    Windows installer development tool

    NSIS (Nullsoft Scriptable Install System) is a professional open source system to create Windows installers. It is designed to be as small and flexible as possible and is therefore very suitable for internet distribution. Being a user's first experience with your product, a stable and reliable installer is an important component of succesful software. With NSIS you can create such installers that are capable of doing everything that is needed to setup your software. NSIS is script-based and allows you to create the logic to handle even the most complex installation tasks. Many plug-ins and scripts are already available: you can create web installers, communicate with Windows and other software components, install or update shared components and more.
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    Downloads: 9,905 This Week
    Last Update:
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  • 3
    UltraDefrag

    UltraDefrag

    Increase your system performance with this easy to use tool

    Please note, here you can find the latest open source release of UltraDefrag (7.1.4). The most recent UltraDefrag release (15.0.0) can be found on our official website: https://ultradefrag.net UltraDefrag is a disk defragmenter for Windows, which supports defragmentation of locked system files by running during the boot process. It is easy to use without any complicated scripting or a huge load of configuration settings. You can filter the files processed by size, number of fragments, file name and path. You can terminate the process early by specifying an execution time limit.
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    Downloads: 1,256 This Week
    Last Update:
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  • 4
    Snappy Driver Installer
    Snappy Driver Installer is an application for installing/updating drivers on PCs running Microsoft Windows using driverpacks or included folders with drivers. It can be used to install drivers on newly assembled PCs at places where Internet isn't available. Users can also use the software to keep their drivers up to date.
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    Downloads: 405 This Week
    Last Update:
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  • AI-generated apps that pass security review Icon
    AI-generated apps that pass security review

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    Retool lets you generate dashboards, admin panels, and workflows directly on your data. Type something like “Build me a revenue dashboard on my Stripe data” and get a working app with security, permissions, and compliance built in from day one. Whether on our cloud or self-hosted, create the internal software your team needs without compromising enterprise standards or control.
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  • 5
    UrBackup

    UrBackup

    Open Source Client/Server Network Backup System

    Efficient Client-Server Backup system for Linux, macOS and Windows. A client for Windows, FreeBSD and Linux lets you backup open files and complete partition images (Windows). Backups are stored to disks in a efficient way (deduplication) on either Windows or Linux servers.
    Downloads: 24 This Week
    Last Update:
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  • 6
    FlareGet - Download Manager

    FlareGet - Download Manager

    An advanced multi-threaded and multisegment download manager.

    FlareGet is a full featured, multi-threaded and multi-segment download manager and accelerator for Windows and Linux
    Downloads: 10 This Week
    Last Update:
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  • 7
    BEE free TECH

    BEE free TECH

    [ Beautiful, Effective, Efficient, Freedom, Technology ]

    BEE free 20.04 is a community-driven Linux distribution based on Ubuntu 20.04 .
    Downloads: 2 This Week
    Last Update:
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  • 8
    Startup Manager is a program that provides you the possibility to manage the Windows startup procedure. It offers you the possibility to control which programs automatically start up and more.
    Downloads: 1 This Week
    Last Update:
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  • 9
    "diptables" is short for "distributed iptables" and as the name implies, it is trying to provide a facility to manage a large "firewall system" in which many number of single firwall machines exist. In this state, it is a very simple C++ program to add
    Downloads: 1 This Week
    Last Update:
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  • 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.

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  • 10
    Shabdix GNU/Linux is a live CD based on KNOPPIX and Debian. It features KDE with the Farsi/Persian translation.
    Downloads: 0 This Week
    Last Update:
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  • 11
    yoDownet

    yoDownet

    The previous generation graphical download manager

    yoDownet is an open-source && free graphical download manager project that tries to be simple and minimal, also for sake of humor it's described as "The Previous Generation Graphical Download Manager".
    Downloads: 0 This Week
    Last Update:
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