Showing 13770 open source projects for "c source code"

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  • 1
    Zstandard

    Zstandard

    Zstandard - Fast real-time compression algorithm

    Zstandard is a fast compression algorithm, providing high compression ratios. It also offers a special mode for small data, called dictionary compression. The reference library offers a very wide range of speed / compression trade-off, and is backed by an extremely fast decoder (see benchmarks below). Zstandard library is provided as open source software using a BSD license. Its format is stable and published as IETF RFC 8478. The negative compression levels, specified with --fast=#, offer...
    Downloads: 89 This Week
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  • 2
    v86

    v86

    x86 PC emulator and x86-to-wasm JIT, running in the browser

    v86 is an open-source x86 PC emulator that runs entirely in the browser using WebAssembly for near-native performance. It translates x86 machine code into WebAssembly at runtime, enabling users to boot and run full operating systems without installing anything locally. The emulator supports a wide range of legacy systems, including Linux, Windows 95/98/2000, FreeDOS, and various experimental OSes.
    Downloads: 3 This Week
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  • 3
    Linux Kernel

    Linux Kernel

    Linux Kernel source tree

    The Linux Kernel is the core component of the Linux operating system—a free, open-source, monolithic, Unix-like system kernel initiated by Linus Torvalds in 1991 and since evolved into a foundational technology powering everything from servers and supercomputers to smartphones and embedded devices. There are various text files in the Documentation/ subdirectory, several of them using the reStructuredText markup notation. Extensive filesystem compatibility (ext4, Btrfs, FUSE, XFS, etc.) Broad...
    Downloads: 41 This Week
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  • 4
    DeepFlow

    DeepFlow

    Application Observability using eBPF

    DeepFlow provides a universal map with Zero Code by eBPF for production environments, including your services in any language, third-party services without code and all cloud-native infrastructure services. In addition to analyzing common protocols, Wasm plugins are supported for your private protocols. Full-stack golden signals of applications and infrastructures are calculated, pinpointing performance bottlenecks at ease. Zero Code distributed tracing powered by eBPF supports applications...
    Downloads: 0 This Week
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    Concourse

    Concourse

    Concourse is a container-based continuous thing-doer written in Go

    ...Jobs can depend on other jobs by configuring passed constraints. The resulting chain of jobs and resources is a dependency graph that continuously pushes your project forward, from source code to production.
    Downloads: 8 This Week
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  • 6
    Coraza

    Coraza

    OWASP Coraza WAF is a golang modsecurity compatible firewall library

    Coraza is an open-source, enterprise-grade, high-performance Web Application Firewall (WAF) ready to protect your beloved applications. It is written in Go, supports ModSecurity SecLang rulesets and is 100% compatible with the OWASP Core Rule Set. Coraza is a drop-in alternative to replace the soon-to-be abandoned Trustwave ModSecurity Engine and supports industry-standard SecLang rule sets.
    Downloads: 15 This Week
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  • 7
    AlienFX Tools

    AlienFX Tools

    Alienware systems lights, fans, and power control tools and apps

    AlienFX Tools is a suite of utilities aimed at controlling lighting, fan, and power behaviors on Alienware systems, directly interfacing with USB or ACPI hardware rather than relying on official drivers. This project supports a broad range of effects and modes, allowing users to customize RGB lighting zones, create and switch profiles based on system states (like power source or running applications), and generate lighting behaviors tied to thermal and performance events. Because it operates...
    Downloads: 56 This Week
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  • 8
    Panda3DS

    Panda3DS

    HLE 3DS emulator

    Panda3DS is a new emulator for the Nintendo 3DS. It allows fans of the console to enjoy their favorite games with various enhancements and unique features on all their devices, be it a laptop, a desktop, or on the go with a Steam Deck (and phone someday). Welcome to the home site for Panda3DS, a new emulator hoping to bring all sorts of unique features to the 3DS emulation scene, such as support for scripting, various enhancements, support for all sorts of platforms, development tools, and more.
    Downloads: 23 This Week
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  • 9
    Steam Deck Tools

    Steam Deck Tools

    Fan, Overlay, Power Control and Steam Controller for Windows

    Steam Deck Tools is a community-driven collection of utilities designed to enhance the experience of running Windows on the Valve Steam Deck. Hosted on GitHub and written primarily in C#, this suite bundles multiple practical tools into a single package, including fan control, performance overlay, power (TDP and refresh rate) adjustment, and Steam Controller support. The tools aim to fill functionality gaps when running Windows on a device originally optimized for SteamOS, such as adjusting...
    Downloads: 37 This Week
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  • 10
    RyTuneX

    RyTuneX

    RyTuneX is a cutting-edge optimizer built with the WinUI 3 framework

    RyTuneX is a comprehensive Windows-system optimization tool aimed at users who want to enhance performance, privacy and usability on systems running Windows 10 (20H1 +) and Windows 11. It is built using the WinUI 3 framework and .NET 8 to provide a modern, responsive interface and native Windows look and feel. The application lets users “debloat” their system by removing pre-installed apps and Windows features that may be unnecessary or resource-heavy, helping free up resources and storage....
    Downloads: 94 This Week
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  • 11
    QDirStat

    QDirStat

    Qt-based directory statistics

    Qt-based directory statistics: KDirStat without any KDE -- from the author of the original KDirStat. QDirStat is a graphical application to shows where your disk space has gone and to help you to clean it up. This is a Qt-only port of the old Qt3/KDE3-based KDirStat, now based on the latest Qt 5. It does not need any KDE libs or infrastructure. It runs on every X11-based desktop on Linux, BSD and other Unix-like systems and of course in a Docker container.
    Downloads: 50 This Week
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  • 12
    Universal x86 Tuning Utility

    Universal x86 Tuning Utility

    Unlock the full potential of your Intel/AMD based device

    Unlock the full potential of your Intel/AMD-based device.
    Downloads: 33 This Week
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  • 13
    CMWTAT Digital Edition

    CMWTAT Digital Edition

    C# toolkit to digitally activate Windows 10/11 via license

    CMWTAT Digital Edition is an open-source C# application that activates Windows 10 and Windows 11 using digital license (digitally entitled activation) without requiring product keys. It's portable, easy to use, typically launched via script to bypass Defender, and maintained under GPL‑2.0.
    Downloads: 8 This Week
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  • 14
    iSH

    iSH

    The Linux shell on iOS

    iSH is an open source project that allows for a Linux shell environment to run locally on your iOS device. It does this through a usermode x86 emulation and syscall translation. With iSH you can run Linux applications and programs on iOS, access the Alpine package manager, and install programs with apk add <name>. iSH also features a keyboard addition that makes navigation a whole lot easier.
    Downloads: 35 This Week
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  • 15
    CDviz

    CDviz

    View software deployment's events & states

    cdviz is a developer-focused visualization and analysis tool designed to help engineers understand, monitor, and optimize codebases by providing insights into structure, performance, and execution patterns. It likely focuses on transforming complex code relationships into visual representations that improve comprehension and debugging efficiency. The system may include static analysis capabilities, enabling it to detect inefficiencies, dependencies, or architectural issues within a project....
    Downloads: 0 This Week
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  • 16
    TaskExplorer

    TaskExplorer

    Powerful system task manager

    TaskExplorer is a powerful system task-manager / process-inspector tool designed for Windows that goes well beyond the capabilities of the built-in Task Manager. It provides real-time insights into running processes, threads, open handles, network sockets, memory usage, modules loaded, and more — all in a unified, fast, and efficient GUI. Rather than scattering information across tabs or dialogs, TaskExplorer displays detailed data in a panel layout: when you select a process, the lower...
    Downloads: 121 This Week
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  • 17
    QuestDB

    QuestDB

    An open source SQL database designed to process time series data

    QuestDB is a high-performance, open-source SQL database for applications in financial services, IoT, machine learning, DevOps and observability. It includes endpoints for PostgreSQL wire protocol, high-throughput schema-agnostic ingestion using InfluxDB Line Protocol, and a REST API for queries, bulk imports, and exports. QuestDB implements ANSI SQL with native extensions for time-oriented language features.
    Downloads: 31 This Week
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  • 18
    MsQuic

    MsQuic

    Cross-platform, C implementation of the IETF QUIC protocol

    MsQuic is a Microsoft implementation of the IETF QUIC protocol. It is cross-platform, written in C and designed to be a general-purpose QUIC library. MsQuic also has C++ API wrapper classes and exposes interop layers for both Rust and C#. QUIC has many benefits when compared to existing "TLS over TCP" scenarios. MsQuic has several features that differentiate it from other QUIC implementations. Optimized for client and server. Optimized for maximal throughput and minimal latency. Asynchronous...
    Downloads: 16 This Week
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  • 19
    File Converter

    File Converter

    Simple tool which allows you to convert and compress files

    File Converter is a minimalist open‑source tool (GPL‑3.0) that lets users convert and compress one or multiple files directly via the Windows Explorer context menu. It integrates with powerful back-end utilities—FFmpeg, ImageMagick, Ghostscript—to handle a broad range of media and document transformations. File Converter is a personal open source project started in 2014. I have put hundreds of hours adding, refining and tuning File Converter with the goal of making the conversion and...
    Downloads: 44 This Week
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  • 20
    Dolphin

    Dolphin

    Dolphin is a GameCube / Wii emulator

    Dolphin is a mature, open-source video game console emulator that enables users to run Nintendo GameCube and Wii games on modern platforms including Windows, Linux, macOS, and Android devices. Originally released in 2003, it has evolved into one of the most advanced and widely used emulators, known for its high compatibility and continuous development over decades.
    Downloads: 32 This Week
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  • 21
    Betaflight

    Betaflight

    Open Source Flight Controller Firmware

    Betaflight is flight controller software (firmware) used to fly multi-rotor craft and fixed wing craft. This fork differs from Baseflight and Cleanflight in that it focuses on flight performance, leading-edge feature additions, and wide target support. Betaflight supports a wide range of flight controllers with at least an STM32F4 MCU. You can use nearly any piece of modern hardware out there. Full telemetry and high refresh rate for receivers, camera and VTX control, RGB LEDs, and much...
    Downloads: 87 This Week
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  • 22
    86Box

    86Box

    Emulator of x86-based machines based on PCem

    86Box is a low level x86 emulator that runs older operating systems and software designed for IBM PC systems and compatibles from 1981 through fairly recent system designs based on the PCI bus. Easy to use interface inspired by mainstream hypervisor software. Low level emulation of 8086-based processors up to the Pentium with focus on accuracy. Great range of customizability of virtual machines. Many available systems, such as the very first IBM PC 5150 from 1981, or the more obscure IBM...
    Downloads: 80 This Week
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  • 23
    AWS IoT Device SDK v2 for Python

    AWS IoT Device SDK v2 for Python

    Next generation AWS IoT Client SDK for Python

    Next-generation AWS IoT Client SDK for Python using the AWS Common Runtime. This document provides information about the AWS IoT Device SDK v2 for Python. This SDK is built on the AWS Common Runtime, a collection of libraries (aws-c-common, aws-c-io, aws-c-mqtt, aws-c-compression, aws-c-http, aws-c-cal, aws-c-auth, s2n ...) written in C to be cross-platform, high-performance, secure, and reliable. The libraries are bound to Python by the awscrt package (PyPI). AWS IoT provides the cloud...
    Downloads: 12 This Week
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  • 24
    Citron Neo

    Citron Neo

    Research software designed to orchestrate virtual environments

    Citron Neo is an advanced emulator project focused on replicating complex system environments with high performance and flexibility. It is designed to emulate modern console behavior while integrating improvements in CPU emulation, GPU rendering, and memory management. The project incorporates optimizations such as dynamic recompilation and Vulkan-based rendering to enhance performance across supported platforms. It also includes continuous updates that improve compatibility with games and...
    Downloads: 59 This Week
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  • 25
    Open Hardware Monitor

    Open Hardware Monitor

    Monitor temperature sensors, fan speeds, voltages, load & clock speeds

    Open Hardware Monitor is a free and open-source hardware monitoring tool that helps users track the health and performance of their computer. It monitors key system metrics such as CPU temperatures, fan speeds, voltages, clock speeds, and system load. The software supports many hardware monitoring chips commonly found on modern motherboards. It can also read Intel and AMD processor temperature sensors, GPU sensors from ATI and Nvidia cards, and SMART hard drive temperatures. Users can view...
    Downloads: 53 This Week
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