Showing 25362 open source projects for "c source code"

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  • 1
    The Operator Splitting QP Solver

    The Operator Splitting QP Solver

    The Operator Splitting QP Solver

    ...The algorithm is absolutely division-free after the setup and it requires no assumptions on problem data (the problem only needs to be convex). It just works. OSQP has an easy interface to generate customized embeddable C code with no memory manager required. OSQP supports many interfaces including C/C++, Fortran, Matlab, Python, R, Julia, Rust.
    Downloads: 0 This Week
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  • 2
    simplewall

    simplewall

    Simple tool to configure Windows Filtering Platform (WFP)

    simplewall is an open-source Windows application that provides a user-friendly firewall control interface powered by Windows Filtering Platform (WFP), enabling users to block or allow outgoing and incoming network connections without diving into complex OS settings or command-line tools. The app presents a clean, intuitive UI where users can define rules based on process names, IP addresses, ports, and protocols, making it possible to restrict apps from accessing the internet or control...
    Downloads: 228 This Week
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  • 3
    Linenoise

    Linenoise

    A small self-contained alternative to readline and libedit

    Linenoise is an ultra-lightweight, self-contained C library that implements line editing (single and multi-line) for terminal applications, intended as a simpler alternative to the much larger GNU Readline or libedit libraries. The library is zero-config, meaning you just include the source file(s) and use it, without heavy dependencies or external configuration. It supports basic editing features: moving the cursor, inserting characters, handling history, tab-completion, and hints, plus a multiplexing mode where the prompt can be hidden/restored when asynchronous output appears. ...
    Downloads: 0 This Week
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  • 4
    Pony OS

    Pony OS

    My Little Unix: Kernels are Magic

    ponyos is a lightweight, UNIX-like operating system developed as a personal hobby project by the creator of ToaruOS. It features a monolithic kernel written in C and aims for a POSIX-compliant environment with a built-from-scratch userland. ponyos includes a graphical interface, dynamic linker, shared libraries, and a package manager. It’s designed for fun, experimentation, and as a platform to learn and play with operating system internals, with surprisingly advanced features given its...
    Downloads: 59 This Week
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  • 5
    Flipper Zero Firmware

    Flipper Zero Firmware

    Flipper Zero firmware source code

    Flipper Zero is a portable multi-tool for pentesters and geeks in a toy-like body. It loves hacking digital stuff, such as radio protocols, access control systems, hardware, and more. It's fully open-source and customizable, so you can extend it in whatever way you like. Flipper Zero is a tiny piece of hardware with a curious personality of a cyber-dolphin. It can interact with digital systems in real life and grow while you use it. Explore any kind of access control system, RFID, radio...
    Downloads: 15 This Week
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  • 6
    Flecs

    Flecs

    A fast entity component system (ECS) for C & C++

    ...Automatic component registration that works out of the box across shared libraries/DLLs. First open-source ECS with full support for Entity Relationships! Write free functions with queries or run code automatically in systems. Compiles warning-free on 8 compilers on all major platforms, with CI running more than 4000 tests.
    Downloads: 3 This Week
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  • 7
    DNP3 Windows c c++ c# .net

    DNP3 Windows c c++ c# .net

    DNP3 Source code Library for Windows and simulator

    v21.06.022 Complete implementation of DNP3 protocol standard including File transfer. Binary Input, Double-bit Binary Input, Binary Output, Counter Input, Analog Input, Analog output, Octect String, virtual terminal String. support CROB, analog output command with "select-before-operate" or "direct-execute" command execution modes, unsolicited response, Time Synchronization support C C++, C# ( .net ) programming languages Get a free DNP3 Development Bundle In the Development...
    Downloads: 0 This Week
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  • 8
    Luma3DS

    Luma3DS

    Noob-proof (N)3DS Custom Firmware

    Luma3DS is a program to patch the system software of (New) Nintendo (2)3DS handheld consoles "on the fly", adding features such as per-game language settings, debugging capabilities for developers, and removing restrictions enforced by Nintendo such as the region lock. It also allows you to run unauthorized ("homebrew") content by removing signature checks. To use it, you will need a console capable of running homebrew software on the Arm9 processor. Since v8.0, Luma3DS has its own in-game...
    Downloads: 114 This Week
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  • 9
    Rainmeter

    Rainmeter

    Desktop customization tool for Windows

    Rainmeter is a powerful and extensible desktop customization platform for Windows that lets users display customizable skins and widgets on their desktop to show information such as system statistics, time, weather, application shortcuts, and more. With a modular architecture, Rainmeter allows users and creators to build or install “skins” using simple INI configuration files combined with Lua scripting and graphics to display text, images, meters, and interactive controls. It runs with...
    Downloads: 158 This Week
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  • 10
    berry

    berry

    A healthy, byte-sized window manager

    A healthy, bite-sized window manager written in C over the XLib library. Controlled via a powerful command-line client, allowing users to control windows via a hotkey daemon such as sxhkd or expand functionality via shell scripts.
    Downloads: 0 This Week
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  • 11
    s2n

    s2n

    An implementation of the TLS/SSL protocols

    s2n-tls is a C99 implementation of the TLS/SSL protocols that is designed to be simple, small, fast, and with security as a priority. It is released and licensed under the Apache License 2.0. If you are building on OSX, you can use build tools like Ninja. The s2n-tls I/O APIs are designed to be intuitive to developers familiar with the widely-used POSIX I/O APIs, and s2n-tls supports blocking, non-blocking, and full-duplex I/O. Additionally there are no locks or mutexes within s2n-tls....
    Downloads: 0 This Week
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  • 12
    minizip-ng

    minizip-ng

    Fork of the zip manipulation library found in the zlib distribution

    minizip-ng is a zip manipulation library written in C that is supported on Windows, macOS, and Linux. Minizip was originally developed by Gilles Vollant in 1998. It was first included in the zlib distribution as an additional code contribution starting in zlib 1.1.2. Since that time, it has been continually improved upon and contributed to by many people. The original project can still be found in the zlib distribution that is maintained by Mark Adler.
    Downloads: 2 This Week
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  • 13
    ESP-Drone

    ESP-Drone

    Mini Drone/Quadcopter Firmware for ESP32 and ESP32-S Series SoCs

    ...The project supports the Crazyflie client ecosystem and ESP-BOX3 joystick control through ESP-NOW. Android and iOS companion application source code is available separately. Its simple architecture makes it particularly suitable for education, experimentation, and embedded drone development.
    Downloads: 6 This Week
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  • 14
    ClamAV

    ClamAV

    Antivirus engine for detecting trojans, viruses and malware

    ClamAV is an open-source antivirus engine developed by Cisco Talos that provides cross-platform malware detection for servers, desktops, and mail systems. Originally designed for Unix environments and email security, it has evolved into a flexible antimalware toolkit capable of identifying millions of viruses, worms, trojans, and other threats. The software includes a command-line scanner, an automatically updating signature database, and a scalable multi-threaded daemon that enables...
    Downloads: 123 This Week
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  • 15
    hekate

    hekate

    A GUI based Nintendo Switch Bootloader

    hekate is a custom graphical bootloader for the Nintendo Switch that enables advanced system control, firmware patching, and multi-environment boot management for both official and custom operating systems. It functions as a powerful entry point for launching different firmware configurations, including stock firmware, custom firmware, Linux distributions, and Android builds, all from a unified interface. The bootloader features a touchscreen-enabled graphical user interface called Nyx,...
    Downloads: 217 This Week
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  • 16
    C-Munipack
    The C-Munipack is an astrophotometry software package, which offers a complete solution for reduction of images carried out by CCD or DSLR camera, intended on a observation of variable stars, exoplanets and minor Solar System bodies. It provides a simple and intuitive graphical user interface.
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    Downloads: 53 This Week
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  • 17
    WebP Codec

    WebP Codec

    Library to encode and decode images in WebP format

    ...It supplies cwebp to compress images into WebP and dwebp to decompress them back, making it easy to test quality/size trade-offs across presets and tuning parameters. The GitHub repository is a mirror; the canonical source of truth lives on Chromium’s git, and developer docs are hosted on WebP’s portal. The project underpins WebP support across browsers, imaging libraries, and many native apps thanks to its stable C API. Additional companion repos host test data and demos, including JavaScript builds and timing tests for various platforms. As a widely deployed codec, libwebp balances compression efficiency, speed, and integration simplicity across platforms.
    Downloads: 61 This Week
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  • 18
    BizHawk

    BizHawk

    BizHawk is a multi-system emulator written in C#

    A multi-system emulator written in C#. As well as quality-of-life features for casual players, it also has recording/playback and debugging tools, making it the first choice for TASers (Tool-Assisted Speedrunners). Screenshotting and recording audio + video to file. Firmware management, input, framerate, and more in a HUD over the game. Rebindable hotkeys for controlling the frontend (keyboard+mouse+gamepad). A comprehensive input mapper for the emulated gamepads and other peripherals....
    Downloads: 51 This Week
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  • 19
    BlackHole

    BlackHole

    BlackHole is a modern macOS audio loopback driver

    BlackHole is a modern virtual audio loopback driver for macOS that allows audio to be routed between applications with zero additional latency. It is widely used by musicians, streamers, developers, and audio engineers who need reliable internal audio routing without external hardware. BlackHole supports a wide range of sample rates and configurable channel counts, making it flexible for both simple and advanced audio workflows. The driver integrates directly with macOS Core Audio and...
    Downloads: 167 This Week
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  • 20
    ImageMagick

    ImageMagick

    ImageMagick 7

    ...ImageMagick includes a command-line interface for executing complex image processing tasks, as well as APIs for integrating its features into software applications. It is written in C and can be used on a variety of operating systems, including Linux, Windows, and macOS.
    Downloads: 82 This Week
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  • 21
    Moonshine Voice

    Moonshine Voice

    Fast and accurate automatic speech recognition (ASR) for edge devices

    moonshine is an open-source automatic speech recognition toolkit optimized for fast and accurate transcription on edge devices and local environments. The project is designed to enable real-time voice applications such as live transcription, voice commands, and embedded speech interfaces without requiring heavy cloud infrastructure. Its architecture emphasizes low latency and flexible input handling, allowing audio streams of varying durations rather than relying on fixed processing windows....
    Downloads: 140 This Week
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  • 22
    SlipNet

    SlipNet

    Android VPN client with DNS tunneling (DNSTT, NoizDNS & Slipstream)

    SlipNet is an anti-censorship and tunneling project centered on an Android VPN client with additional command-line support for desktop platforms. It can route traffic through multiple tunnel types, including DNS tunneling, SSH, SOCKS5, NaiveProxy, Tor, and related transport methods. The project is designed for networks where ordinary traffic may be blocked, throttled, filtered, or inspected. SlipNet includes a built-in DNS scanner, which helps users identify usable DNS paths for supported...
    Downloads: 134 This Week
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  • 23
    ioquake3

    ioquake3

    The ioquake3 community effort to continue supporting/developing id's

    ioquake3 is a free and open source first-person shooter engine derived from the Quake 3: Arena and Quake 3: Team Arena source code, maintained as a modern baseline engine for new games and classic mods. It is designed to let players run Quake 3, its expansion Team Arena, and community mods on contemporary systems while also serving as a solid base for new projects.
    Downloads: 9 This Week
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  • 24
    Wazuh

    Wazuh

    The Open Source Security Platform

    Wazuh is an open-source, unified security platform that delivers extended detection and response (XDR) and SIEM capabilities for on-premises, cloud, container, and endpoint environments. It provides comprehensive threat prevention, detection, integrity monitoring, incident response, and compliance monitoring. SIEM functionality to monitor security across endpoints, workloads, and containers. Centralized architecture enabling scalable deployment and unified management. Easy deployment with...
    Downloads: 81 This Week
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  • 25
    Google Authenticator PAM Library

    Google Authenticator PAM Library

    Example PAM module demonstrating two-factor authentication

    google-authenticator-libpam is a Pluggable Authentication Module (PAM) that adds one-time passcodes to Unix and Linux logins using open OATH standards. It plugs into PAM stacks for services like SSH, su, or desktop display managers, prompting users for a time-based (TOTP) or counter-based (HOTP) code after their password. A lightweight enrollment program bootstraps each account by generating a secret, printing a QR code, and writing per-user configuration with safe file permissions. Because...
    Downloads: 0 This Week
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