Top C Repositories
The most popular C repositories on GitHub, ranked by stars, forks, and contributors.
Genymobile / scrcpy
A lightweight, high-performance tool to mirror and control Android devices from a computer via USB or Wi-Fi. No root required, no app installed on device. Supports audio forwarding, screen recording, camera mirroring, virtual display, physical keyboard/mouse/gamepad simulation, OTG mode, and can turn Android camera into a PC webcam. Cross-platform: Linux, Windows, macOS.
microsoft / PowerToys
Microsoft PowerToys is a suite of 30+ free Windows utilities for power users, including FancyZones for custom window layouts, a quick launcher, batch rename, color picker, screen OCR, keyboard remapping, cross-PC mouse control, and more—streamlining workflows and boosting productivity.
ventoy / Ventoy
Ventoy is an open-source tool for creating bootable USB drives. Simply copy ISO/WIM/IMG/VHD(x)/EFI files to the drive and boot them directly without reformatting. Supports Legacy BIOS, UEFI, and multiple architectures.
redis / redis
Redis is the preferred, fastest, and most feature-rich cache, data structure server, and document and vector query engine for building real-time data-driven applications.
OBS Studio is a free and open-source application for video capturing, compositing, encoding, recording, and live streaming. Designed for efficiency, it supports a wide range of sources and plugins, making it a powerful tool for content creators, streamers, and educators across Windows, macOS, and Linux.
A local-first code knowledge graph for AI coding agents. Pre-indexes symbol relationships, call graphs, and code structure into a local SQLite database, enabling agents like Claude Code, Cursor, Codex CLI, and OpenCode to query code semantically — reducing tool calls by ~70% and cost by ~35% without sending data externally. Supports 19+ languages and 13 web frameworks.
FFmpeg / FFmpeg
FFmpeg is a complete, cross-platform solution for recording, converting, and streaming audio and video. It includes libraries for codec implementation, format handling, filtering, and tools like ffmpeg, ffplay, and ffprobe for multimedia processing.
git / git
Git is a fast, scalable, distributed version control system designed to handle projects of all sizes with speed and efficiency. It provides a rich command set for both high-level operations and full access to internals, originally created by Linus Torvalds.
curl / curl
A battle-tested CLI tool and C library for URL-based data transfer. Supports 25+ protocols (HTTP/3, FTP, MQTT) with robust TLS, proxy, and auth features. Ideal for API testing, automation scripts, and embedded systems.
A high-performance code intelligence MCP server written in pure C. Indexes repositories into a persistent knowledge graph supporting 158 languages via tree-sitter and Hybrid LSP type resolution for 11 languages. Provides sub-ms Cypher queries, call tracing, dead code detection, and cross-service HTTP linking. Ships as a single static binary with zero dependencies, compatible with 11 AI coding agents including Claude Code and Gemini CLI.