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.

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  • 1
    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: 7,352 This Week
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  • 2
    PeaZip

    PeaZip

    Free Zip software and Rar extractor

    PeaZip is a free archiver tool. The application provides an unified, natively portable, cross-platform file manager and archive manager GUI for many Open Source technologies like 7-Zip, FreeArc, PAQ, UPX. Create: 7Z, ARC, Brotl, BZip, GZip, PEA, TAR, WIM, XZ, ZPAQ, ZIP, Zstandard files and more Open and extract 200+ file types: ACE, CAB, DEB, ISO, RAR, ZIPX and more Features of PeaZip includes extract, create and convert multiple archives at once, create self-extracting archives (sfx), split files, strong encryption with two factor authentication, encrypted password manager, secure deletion, find duplicate files, calculate hashes, export task definition as command line script.
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    Downloads: 1,673 This Week
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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 (14.0.0) 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: 1,032 This Week
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  • 4
    Classic Shell

    Classic Shell

    Start menu and Windows enhancement software

    Classic Shell adds some missing features to Windows 7, 8, 8.1 and Vista like a classic start menu, toolbar for Explorer and others. Note: The software available here is not the latest version. Visit the new website www.classicshell.net to download the latest version and to access the new forums and documentation.
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    Downloads: 306 This Week
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  • 5
    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: 329 This Week
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  • 6
    Synkron
    Synkron is a simple Qt application that allows you to sync folders, for example a flash disk with a folder on your hard disk.
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    Downloads: 159 This Week
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  • 7
    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.
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    Downloads: 132 This Week
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  • 8
    luckyBackup

    luckyBackup

    ...a powerful, fast and reliable backup & sync tool.

    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ windows users, note that luckybackup is originally developed for linux and the windows port (version) is under heavy development at the moment. Feedback is more than welcome and will be appreciated, but please consider the above before you provide a negative review. windows dedicated forum: https://sourceforge.net/p/luckybackup/discussion/2264489/ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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    Downloads: 96 This Week
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  • 9
    FreeFileSync

    FreeFileSync

    Free data backup software to synchronize files and folders

    FreeFileSync is a free Open Source software that helps you synchronize files and synchronize folders for Windows, Linux and macOS. It is designed to save your time setting up and running data backups while having nice visual feedback along the way. _______________________________________________________________ DOWNLOAD LINKS (official homepage): https://freefilesync.org/
    Downloads: 75 This Week
    Last Update:
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  • 10
    Systemback

    Systemback

    Simple system backup and restore application with extra features

    Systemback makes it easy to create backups of the system and the users configuration files. In case of problems you can easily restore the previous state of the system. There are extra features like system copying, system installation and Live system creation.
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    Downloads: 54 This Week
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  • 11

    Process Manager for Windows (PMW)

    A easy to use task manager that lets you control your apps

    Process Manager for Windows is a smart Task Manager that lets you manage priority, transparency, visibility of your processes with few clicks. It lets you kill one process or all processes in with just shortcut key and let you gain control of your unresponding windows computer and let you regain all the resources back, of course when killing apps you always have the risk of losing the unsaved data. ================= This tool flourished from 2008 to 2013, and was downloaded over 200K times, However, it was decommissioned in 2013 by the sole developer Arif Ali Saiyed This tool was free with optional donations to milaap.org that raised about $1400 and just that small amount helped 15,372 needy people through microlending and created a new source of income stream for 3401 entrepreneurs. Check out the link below to see the impact you all made by donating. https://milaap.org/users/6877/impact
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    Downloads: 9 This Week
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  • 12
    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: 8 This Week
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  • 13
    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: 5 This Week
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  • 14
    Operating system project from scratch to design and implement all components from boot strapping,hardware interrupts , memory manger ,file system , etc .
    Downloads: 8 This Week
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  • 15
    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: 2 This Week
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  • 16
    Daphne

    Daphne

    GPL task manager replacement for Windows

    Daphne is a system tray application for process killing, controlling and debugging. It's development started back in 2005. It was first thought to kill a set of windows process at once. With the time it became a GPL task manager replacement for Windows. You can kill a process by dragging the mouse over the windows, by right-clicking the process in the main process list, or by typing its name with the "Kill all by name" command. You can set a any window to be always on top, to be transparent, to be enable, et cetera. Although Daphne was born just to kill windows process. You can think of Daphne as a task manager replacement. The main window displays a list of currently running process with detailed information about: CPU usage, Process ID, Process name, Full path (and arguments), Priority, Class (Process / Service), Current memory usage, Peek memory usage, Current swap usage, Peek swap usage and Number of threads.
    Downloads: 6 This Week
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  • 17
    A modern secure, robust, multithreaded, exception aware, internationalisable, portable GUI toolkit library designed for mission-critical work in C++ and Python forked from the FOX library. Replicates the Qt API in many places.
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    Downloads: 4 This Week
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  • 18
    Downloads: 2 This Week
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  • 19
    hmtimer(Hsiu-Ming's Timer)

    hmtimer(Hsiu-Ming's Timer)

    A graphical shutdown timer

    hmtimer(Hsiu-Ming's Timer) is a graphical shutdown timer for Linux and Windows. It enables you to shutdown, turn off monitor, reboot or play sound after a period of time.
    Downloads: 1 This Week
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  • 20
    Portable secure lightweight interpreter-based embeded java virtual machine that supports threading ,secure sand box execution enviroment
    Downloads: 0 This Week
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  • 21
    Fzza3a is a GNU/Linux
    Downloads: 0 This Week
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  • 22
    Intercepts and parses all instant message traffic received by the computer. A high performance engine allows conversations to be viewed immediately and/or saved for later analysis. NOTE: Requires WINPCAP
    Downloads: 0 This Week
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  • 23
    A simple KDE network monitor that show rx/tx information (leds/graphic/text) of any network interface on system tray.
    Downloads: 0 This Week
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  • 24
    Mpp Project

    Mpp Project

    MPP is a C-based programming language that allows you to code more eas

    MPP is a C-based programming language that allows you to code more easily . #IDE : WMPP new features - a minimap has been added in order to improve navigation though the source code. - Code autocomplete - Status information - sidebar menu -Simple & Fast -Syntax highlighting -Compiling -Tabs [+] Supported languages : MPP, PHP, SQL, VB, HTML
    Downloads: 0 This Week
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  • 25
    A web-based traffic accounting, monitoring and control management system enriched with AJAX. The project focuses on easy configuration setup and high level of system administration abstraction.
    Downloads: 0 This Week
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