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.

  • Paessler: Easy to Use With Enterprise Power. Free Trial Icon
    Paessler: Easy to Use With Enterprise Power. Free Trial

    A low-code dashboard makes monitoring intuitive for any admin, while scripting and custom sensors give experts full control.

    You shouldn't have to choose between a monitoring tool that's easy to use and one that's powerful enough for a complex environment. PRTG's low-code interface lets any admin build dashboards, set alerts and monitor devices without scripting, while custom sensors and full API access are there when your team needs deeper control. One platform, no compromise. Download a free 30-day trial now.
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  • 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.
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  • 1
    HP Linux Imaging and Printing

    HP Linux Imaging and Printing

    Hewlett-Packard's Linux imaging and printing software

    The Hewlett-Packard Linux Imaging and Printing Project provides a unified single and multi-function connectivity solution for Linux. For support and help, please visit https://launchpad.net/hplip
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    Downloads: 6,024 This Week
    Last Update:
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  • 2
    vDos

    vDos

    Run DOS applications in Windows.

    vDos is specific to run serious (mainly text mode) DOS applications in Windows 32 or 64-bit, Windows 7 or later. You need at least already use such a DOS application to appreciate vDos. If you don’t, want to play with DOS (or its games): vDos isn’t meant for you! Recent versions (latest 2026.05.01) and the vDos forum are now hosted at: https://www.vdos.info
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    Downloads: 108 This Week
    Last Update:
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  • 3
    ESP3D

    ESP3D

    FW for ESP8266/ESP8285/ESP32 used with 3D printer

    This firmware allows not only to have a cheap bridge between Wifi and serial, but also to have a web UI to configure wifi, to monitor 3D printer and even control it, and to make things easy, UI is fully customizable without reflashing FW. Firmware should work with any 3D printer firmware (repetier/marlin/smoothie ware using GCODE) if the serial connection has a correct setup. I currently use it with my personal flavor of repetier for Due based boards. The web interface files are present in the data directory but UI has its own repository ESP3D-WEBUI. Use GPIO2 to the ground to reset all settings in a hard way, 2-6 sec after boot / not before!! Set GPIO2 to ground before boot change boot mode and go to special boot that do not reach FW. Currently, boot takes 10 sec - giving 8 seconds to connect GPIO2 to GND and do a hard recovery for settings. Complete configuration by web browser (Station or Access point) or by Serial/telnet commands.
    Downloads: 12 This Week
    Last Update:
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  • 4
    The Hewlett-Packard Co. Linux Inkjet Driver Project has moved!
    Downloads: 8 This Week
    Last Update:
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  • Cut Data Warehouse Costs by 54% Icon
    Cut Data Warehouse Costs by 54%

    Easily migrate from Snowflake, Redshift, or Databricks with free tools.

    BigQuery delivers 54% lower TCO with exabyte scale and flexible pricing. Free migration tools handle the SQL translation automatically.
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  • 5
    EmfPrinter
    EmfPrinter is a virtual printer driver for Microsoft Windows which allows you to print documents as EMF/WMF vector images or to more than 100 raster formats (JPEG,PNG,BMP,etc). Document conversion has never been easier!
    Downloads: 15 This Week
    Last Update:
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  • 6
    This project includes 4 main modules to use with CUPS : "KUPS", a KDE administration front-end, "XPP", a light graphical printing frontend, "QTCUPS", a front-end and library for Qt, and "CUPS-DRIVERS", GS drivers which allow to print to any printer.
    Downloads: 6 This Week
    Last Update:
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  • 7
    Allows stdin or files specified on the command line to be printed from a remote terminal using ANSI escape sequences. Inspired by the ansiprt.c component of U Wash's PINE.
    Downloads: 4 This Week
    Last Update:
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  • 8
    A set of tools for making the adminstration and support of large number of printers dramatically easier.
    Downloads: 1 This Week
    Last Update:
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  • 9
    FileStructureToHTML literally creates an .html file for mp3´s, videos and more of your selected drive or a specific directory. The files can be organized in a tree, listing or in a table. Gain a whole new way of viewing your file list.
    Downloads: 0 This Week
    Last Update:
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  • $300 Free Credits to Build on Google Cloud Icon
    $300 Free Credits to Build on Google Cloud

    New customers can spin up VMs, build with AI, and query data at no cost.

    Put your $300 in credit toward real workloads, then keep building with free monthly usage for 20+ products. No commitment and no charge until you upgrade.
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  • 10
    A collection of useful tools for automating common tasks in a programming contest (like ACM/ICPC).
    Downloads: 0 This Week
    Last Update:
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  • 11
    Intent is to develop a kernel module and print driver for the Lexmark X85 All-in-One colour scanner/printer/copier. This kit hopefully will be generic enough to support most/all AIO devices from Lexmark or be easily adapted to do so.
    Downloads: 0 This Week
    Last Update:
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  • 12
    OTPD ("Open Ticket Printers Driver") is a cross-platform print-subsystem for pos-..ticket-.. and label-printers; part of QDroid framework ( http://qdroid.berlios.de ).
    Downloads: 0 This Week
    Last Update:
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  • 13
    PrinetrAdmin's a graphical printer administration application for Linux. It's running under KDE and use BSD like printer input filter.It's can add printer (with wizard), remove printer, and view query list.
    Downloads: 0 This Week
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  • 14
    Stylus-control provides a graphical interface for controlling nozzle checks, head cleaning and ink level of your Epson stylus printer. So it's planned to add new functionalities.
    Downloads: 0 This Week
    Last Update:
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  • 15
    Omega48 is a virtual printer driver for Microsoft Windows which allows you to convert the document to the graphics formats such as EMF, BMP and non formated text file (UNICODE or ANSI). Omega48 allows to save MS Windows Spool (SPL) and Shadow (SHD) files
    Downloads: 0 This Week
    Last Update:
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