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.

  • Our Free Plans just got better! | Auth0 Icon
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  • Picsart Enterprise Background Removal API for Stunning eCommerce Visuals Icon
    Picsart Enterprise Background Removal API for Stunning eCommerce Visuals

    Instantly remove the background from your images in just one click.

    With our Remove Background API tool, you can access the transformative capabilities of automation , which will allow you to turn any photo asset into compelling product imagery. With elevated visuals quality on your digital platforms, you can captivate your audience, and therefore achieve higher engagement and sales.
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  • 1
    VTun is the easiest way to create Virtual Tunnels over TCP/IP networks with traffic shaping, compression, and encryption. It supports IP, Ethernet, PPP and other tunnel types. VTun is easily and highly configurable. VPN, Mobile IP, Shaping, etc
    Leader badge
    Downloads: 5,777 This Week
    Last Update:
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  • 2
    ImDisk Toolkit

    ImDisk Toolkit

    Ramdisk for Windows and mounting of image files

    𝗧𝗵𝗶𝘀 𝘁𝗼𝗼𝗹 𝗵𝗮𝘀 𝗺𝗮𝗻𝘆 𝗰𝗼𝗺𝗽𝗮𝘁𝗶𝗯𝗶𝗹𝗶𝘁𝘆 𝗶𝘀𝘀𝘂𝗲𝘀, 𝗶𝘀 𝗻𝗼 𝗹𝗼𝗻𝗴𝗲𝗿 𝗶𝗻 𝗱𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 𝗮𝗻𝗱 𝗶𝘀 𝘀𝘂𝗽𝗲𝗿𝘀𝗲𝗱𝗲𝗱 𝗯𝘆 𝗔𝗜𝗠 𝗧𝗼𝗼𝗹𝗸𝗶𝘁: https://sourceforge.net/projects/aim-toolkit/ This tool will let you mount image files of hard drive, cd-rom or floppy, and create ramdisks with various parameters. Requirements: Windows 7, 8, 8.1, 10 or 11 (32 or 64-bit). Some image file formats also require .NET Framework 4.8 (included in Windows 10 1903 and later) to be mounted with the DiscUtils library. .NET Framework 4.8: https://dotnet.microsoft.com/download/dotnet-framework/net48 XP/Vista: https://sourceforge.net/projects/imdisk-toolkit/files/20240113/ License: http://www.wtfpl.net
    Leader badge
    Downloads: 3,771 This Week
    Last Update:
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  • 3
    CoRD
    CoRD is a Mac OS X remote desktop client for Windows servers running Microsoft Remote Desktop or Terminal Services.
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    Downloads: 156 This Week
    Last Update:
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  • 4
    IPCop Firewall

    IPCop Firewall

    Linux firewall distribution geared towards home and SOHO users.

    The IPCop Firewall is a Linux firewall distribution. It is geared towards home and SOHO users. The IPCop web-interface is very user-friendly and makes usage easy.
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    Downloads: 100 This Week
    Last Update:
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  • 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
    FreeOTFE

    FreeOTFE

    A free "on-the-fly" transparent disk encryption program for PC & PDAs.

    An upstream source site housing the original files for this mirror is no longer available. With this software, you can create one or more "virtual disks" on your PC/PDA. These disks operate exactly like a normal disk, with the exception that anything written to one of them is transparently, and securely, encrypted before being stored on your computer's hard drive.
    Downloads: 11 This Week
    Last Update:
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  • 6
    Awdbedit is a BIOS editor for Award BIOSes. It supports unpacking, replacing, and repacking of components within a BIOS image, and allows settings to be changed and tweaks to be applied to the actual BIOS itself.
    Downloads: 60 This Week
    Last Update:
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  • 7
    Open1X is an open source implementation of the IEEE 802.1X protocol. This project includes support for the supplicant, while other projects (e.g., FreeRADIUS) provide support for the authentication server.
    Downloads: 9 This Week
    Last Update:
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  • 8
    OpenL2TP is an L2TP client/server written specifically for Linux. It has been designed for use as an enterprise L2TP VPN server or for use in commercial, Linux-based, embedded networking products.
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    Downloads: 42 This Week
    Last Update:
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  • 9
    JauntePE
    Windows portable app maker: launcher(s), runtime, and gui designed to help you run non-portable applications in a portable manner.
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    Downloads: 31 This Week
    Last Update:
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  • Powering the best of the internet | Fastly Icon
    Powering the best of the internet | Fastly

    Fastly's edge cloud platform delivers faster, safer, and more scalable sites and apps to customers.

    Ensure your websites, applications and services can effortlessly handle the demands of your users with Fastly. Fastly’s portfolio is designed to be highly performant, personalized and secure while seamlessly scaling to support your growth.
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  • 10
    The Hewlett-Packard Co. Linux Inkjet Driver Project has moved!
    Downloads: 9 This Week
    Last Update:
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  • 11

    Win86emu

    x86 emulator for Windows RT

    This allows Windows RT to run x86 binaries. Works only on jailbroken devices.
    Leader badge
    Downloads: 20 This Week
    Last Update:
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  • 12
    An universal programmer for EPROM/EEPROM/FLASH chips (27Cxx/28Fxx/29Fxx), Microchip PIC and Atmel Microcontrollers, Serial EEPROM (24Cxx,93Cxx,25xx,others), JTAG interface, and other devices. Configurable to support virtualy any device.
    Downloads: 17 This Week
    Last Update:
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  • 13
    dvd2xbox is a DVD/CD-R to hdd copy program for the xbox which supports the formats UDF/ISO9660/CDDA (Audio 2 Ogg ripping with freecddb naming, dvd ripping with libdvdread). It provides a simple all at once copy mode and a win commander style disc browser
    Downloads: 16 This Week
    Last Update:
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  • 14
    An easy to use Development Environment for OS developers to design, write, compile, test, and publish new or existing OS projects with ease.
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    Downloads: 21 This Week
    Last Update:
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  • 15

    Demos Commander

    This project has moved to Github

    A clone of Norton Commander for Unix. Text-based, full featured file manager intuitive interface. https://github.com/sergev/deco
    Downloads: 6 This Week
    Last Update:
    See Project
  • 16
    An open source bluetooth stack for Linux (and other operating systems). Support for SDP/L2CAP/RFCOMM. No further development is expected for this project as BlueZ has taken the official role as bluetooth stack for Linux.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 17
    Cdemu Tray
    Cdemu Tray is written in Gtkmm GUI for cdemu daemon, that resides in the system tray. In essence, it tries to mime gcdemu functionality, but in tray manner. To review the key features, click the "Show project details" down this section
    Downloads: 5 This Week
    Last Update:
    See Project
  • 18
    BSPonMPI is an implementation of the BSPlib standard on top of MPI. Both MPI and BSPlib are API's of communication routines meant for parallel computing, but BSPlib is easier to learn and its performance easier to predict.
    Downloads: 4 This Week
    Last Update:
    See Project
  • 19
    ** Note: This projected has been halted. Please join #lg4l @ irc.freenode.net for more info.** A system of libraries and utilities to operate the Logitech G19 Gaming keyboard in linux and related operating systems.
    Downloads: 4 This Week
    Last Update:
    See Project
  • 20
    mtrace is a multicast traceroute utility, which traces, with the help of the routers along the way, the path from a multicast receiver to a multicast source.
    Downloads: 4 This Week
    Last Update:
    See Project
  • 21
    RAT (Remote Assistance Tool) is a Java Application designed for end user support and remote desktop control based on VNC. It is useable through nat devices and firewalls by connecting the communication end partners through a proxy server.
    Leader badge
    Downloads: 4 This Week
    Last Update:
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  • 22
    EZtorrent is a tool that simplifies the process of publishing content via BitTorrent. EZtorrent automates the process of generating .torrent metainfo files, as well as starting trackers and seeders.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 23
    A Layer 2 Tunneling Protocol VPN client/daemon for Linux and other POSIX-based OSs.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 24
    A portable library to control the ICOM PCR-1000 computer controlled general purpose radio receiver and gui front ends for X, Aqua, and windows32
    Downloads: 3 This Week
    Last Update:
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  • 25
    psDooM is a process monitor and manager for *nix systems. It could be considered a graphical interface to the 'ps', 'renice', and 'kill' commands. psDooM is based on XDoom, which is based on id Software's 'Doom'.
    Downloads: 3 This Week
    Last Update:
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