C

Linux kernel source tree

Display and control your Android device

Microsoft PowerToys is a collection of utilities that supercharge productivity and customization on Windows

A new bootable USB solution.

OBS Studio - Free and open source software for live streaming and screen recording

For developers, who are building real-time data-driven applications, Redis is the preferred, fastest, and most feature-rich cache, data structure server, and document and vector query engine.

Pre-indexed code knowledge graph, auto syncs on code changes, for Claude Code, Codex, Gemini, Cursor, OpenCode, AntiGravity, Kiro, CoPilot, and Hermes Agent — fewer tokens, fewer tool calls, 100% local

Mirror of https://git.ffmpeg.org/ffmpeg.git

Git Source Code Mirror - This is a publish-only repository but pull requests can be turned into patches to the mailing list via GitGitGadget (https://gitgitgadget.github.io/). Please follow Documentation/SubmittingPatches procedure for any of your improvements.

tmux source code

High-performance code intelligence MCP server. Indexes codebases into a persistent knowledge graph — average repo in milliseconds. 162 languages, sub-ms queries, 99% fewer tokens. Single static binary, zero dependencies.

A command line tool and library for transferring data with URL syntax, supporting DICT, FILE, FTP, FTPS, GOPHER, GOPHERS, HTTP, HTTPS, IMAP, IMAPS, LDAP, LDAPS, MQTT, MQTTS, POP3, POP3S, RTSP, SCP, SFTP, SMTP, SMTPS, TELNET, TFTP, WS and WSS. libcurl offers a myriad of powerful features

Run frontier MoE models on hardware you already own — pure C, zero deps, experts streamed from disk. Tiny engine, immense model. 🐦

The PHP Interpreter

Modern HTTP benchmarking tool

The Reliable USB Formatting Utility

🎥 Command line media player

Command-line JSON processor

A simple and easy-to-use library to enjoy videogames programming

stb single-file public domain libraries for C/C++

This project aims to enhance the working environment on Windows

Android/iOS video player based on FFmpeg n3.4, with MediaCodec, VideoToolbox support.

A professional cross-platform SSH/Sftp/Shell/Telnet/Tmux/Serial terminal.

我的电视 电视直播软件，安装即可使用

The official NGINX Open Source repository.

Lean's LEDE source

General purpose TLS and crypto library

How to create an OS from scratch

A tiling window manager for macOS based on binary space partitioning

This repository is a mirror of https://git.openwrt.org/openwrt/openwrt.git It is for reference only and is not active for check-ins. We will continue to accept Pull Requests here. They will be merged via staging trees then into openwrt.git.

GoodbyeDPI — Deep Packet Inspection circumvention utility (for Windows)

Zstandard - Fast real-time compression algorithm

ehviewer，用爱发电，快乐前行

A flexible distributed key-value database that is optimized for caching and other realtime workloads.

Cross-platform asynchronous I/O

A code-searching tool similar to ack, but faster.

World's fastest and most advanced password recovery utility

Convolutional Neural Networks

TCP port scanner, spews SYN packets asynchronously, scanning entire Internet in under 5 minutes.

High-performance, scalable time-series database designed for Industrial IoT (IIoT) scenarios

UNIX-like reverse engineering framework and command-line toolset

A maintained, feature-rich and performance oriented, neofetch like system information tool.

LVGL is a free, full-featured embedded UI library for devices from small MCUs to 3D-capable MPUs, enhanced by LVGL Pro, a professional editor and tooling.

Alternative firmware for ESP8266 and ESP32 based devices with easy configuration using webUI, OTA updates, automation using timers or rules, expandability and entirely local control over MQTT, HTTP, Serial or KNX. Full documentation at

HandBrake's development repository

DeepSeek 4 Flash and PRO local inference engine for Metal, CUDA and ROCm

A time-series database for high-performance real-time analytics packaged as a Postgres extension

Open-source vector similarity search for Postgres

BCC - Tools for BPF-based Linux IO analysis, networking, monitoring, and more

Collection of various algorithms in mathematics, machine learning, computer science, physics, etc implemented in C for educational purposes.

Flipper Zero Unleashed Firmware

Mirror of the official PostgreSQL GIT repository. Note that this is just a *mirror* - we don't work with pull requests on github. To contribute, please see https://wiki.postgresql.org/wiki/Submitting_a_Patch

How to Make a Computer Operating System in C++

MicroPython - a lean and efficient Python implementation for microcontrollers and constrained systems

n³ The unorthodox terminal file manager

A little tool to play with Windows security

本项目曾冲到全球第一，干货集锦见本页面最底部，另完整精致的纸质版《编程之法：面试和算法心得》已在京东/当当上销售

build-once run-anywhere c library

GoAccess is a real-time web log analyzer and interactive viewer that runs in a terminal in *nix systems or through your browser.

Open-source keyboard firmware for Atmel AVR and Arm USB families

Linux shell for iOS

Inference Llama 2 in one file of pure C

VLC media player - plays everything, runs anywhere. Code here: https://code.videolan.org/videolan/vlc

A curated list of awesome things related to HarmonyOS. 华为鸿蒙操作系统。

BlackHole is a modern macOS audio loopback driver that allows applications to pass audio to other applications with zero additional latency.

Sandboxie Plus & Classic

Android application for running Windows applications with Wine and Box86/Box64

Espressif IoT Development Framework. Official development framework for Espressif SoCs.

High performance UI layout library in C.

A free Windows-compatible Operating System

FFmpeg for browser, powered by WebAssembly

SumatraPDF reader

Playground (and dump) of stuff I make or modify for the Flipper Zero

ImageMagick is a free, open-source software suite for creating, editing, converting, and displaying images. It supports 200+ formats and offers powerful command-line tools and APIs for automation, scripting, and integration across platforms.

NVIDIA Linux open GPU kernel module source

i3-compatible Wayland compositor

libSQL is a fork of SQLite that is both Open Source, and Open Contributions.

Lightweight static analysis for many languages. Find bug variants with patterns that look like source code.

A very compact representation of a placeholder for an image.

:zap: KCP - A Fast and Reliable ARQ Protocol

The systemd System and Service Manager

Primary Git Repository for the Zephyr Project. Zephyr is a new generation, scalable, optimized, secure RTOS for multiple hardware architectures.

Simple DirectMedia Layer

Flipper Zero firmware source code

Rofi: A window switcher, application launcher and dmenu replacement

DPI bypass multi platform

A free, powerful, multi-purpose tool that helps you monitor system resources, debug software and detect malware. Brought to you by Winsider Seminars & Solutions, Inc. @ https://windows-internals.com

🚀 Truly open-source AI avatar(digital human) toolkit for offline video generation and digital human cloning.

我的超迷你机械臂机器人项目。

OpenCore bootloader

Capture SSL/TLS plaintext with eBPF—no MITM proxy or custom CA installation. Supports Linux and Android on x86_64 and arm64.

A multi-platform library for OpenGL, OpenGL ES, Vulkan, window and input

Beyond file syncing and sharing, a new way to organize your files with extensible file properties and flexible views

Affordable WiFi hacking platform for testing and learning

OpenVPN is an open source VPN daemon

coturn TURN server project

Cross-platform, sophisticated frontend for the libretro API. Licensed GPLv3.

memcached development tree

A lightweight online game framework

High Performance Web Platform Based on Nginx and LuaJIT