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Top C projects on GitHub
2,514 C repositories with 1,000+ stars, ranked by stars.
Repository
Stars
Language
License
Activity
1
torvalds/linux
Linux kernel source tree
★ 252.4k
C
Other
Active
2
Genymobile/scrcpy
Display and control your Android device
★ 152.4k
C
Apache-2.0
Active
3
microsoft/PowerToys
Microsoft PowerToys is a collection of utilities that supercharge productivity and customization on Windows
★ 139.5k
C
MIT
Active
4
ventoy/Ventoy
A new bootable USB solution.
★ 80.2k
C
GPL-3.0
Active
5
obsproject/obs-studio
OBS Studio - Free and open source software for live streaming and screen recording
★ 77.7k
C
GPL-2.0
Active
6
redis/redis
For developers, who are building real-time data-driven applications, Redis is the preferred, fastest, and most feature-rich cache, data stru
★ 76.9k
C
Other
Active
7
colbymchenry/codegraph
Pre-indexed code knowledge graph, auto syncs on code changes, for Claude Code, Codex, Gemini, Cursor, OpenCode, AntiGravity, Kiro, CoPilot,
★ 74.4k
C
MIT
Active
8
FFmpeg/FFmpeg
Mirror of https://git.ffmpeg.org/ffmpeg.git
★ 65.4k
C
Other
Active
9
git/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
★ 63.9k
C
Other
Active
10
tmux/tmux
tmux source code
★ 49.9k
C
ISC
Active
11
DeusData/codebase-memory-mcp
High-performance code intelligence MCP server. Indexes codebases into a persistent knowledge graph — average repo in milliseconds. 162 langu
★ 46.8k
C
MIT
Active
12
curl/curl
A command line tool and library for transferring data with URL syntax, supporting DICT, FILE, FTP, FTPS, GOPHER, GOPHERS, HTTP, HTTPS, IMAP,
★ 43.2k
C
Other
Active
13
JustVugg/colibri
Run frontier MoE models on hardware you already own — pure C, zero deps, experts streamed from disk. Tiny engine, immense model. 🐦
★ 42.7k
C
Apache-2.0
Active
14
php/php-src
The PHP Interpreter
★ 40.4k
C
BSD-3-Clause
Active
15
wg/wrk
Modern HTTP benchmarking tool
★ 40.4k
C
Other
Stale
16
pbatard/rufus
The Reliable USB Formatting Utility
★ 38k
C
GPL-3.0
Active
17
mpv-player/mpv
🎥 Command line media player
★ 37.5k
C
Other
Active
18
jqlang/jq
Command-line JSON processor
★ 35.8k
C
Other
Active
19
raysan5/raylib
A simple and easy-to-use library to enjoy videogames programming
★ 35.3k
C
Zlib
Active
20
nothings/stb
stb single-file public domain libraries for C/C++
★ 34.9k
C
Other
Active
21
valinet/ExplorerPatcher
This project aims to enhance the working environment on Windows
★ 34.1k
C
GPL-2.0
Slowing
22
bilibili/ijkplayer
Android/iOS video player based on FFmpeg n3.4, with MediaCodec, VideoToolbox support.
★ 33.2k
C
GPL-2.0
Stale
23
kingToolbox/WindTerm
A professional cross-platform SSH/Sftp/Shell/Telnet/Tmux/Serial terminal.
★ 32.5k
C
—
Stale
24
lizongying/my-tv
我的电视 电视直播软件，安装即可使用
★ 32k
C
—
Stale
25
nginx/nginx
The official NGINX Open Source repository.
★ 31.9k
C
BSD-2-Clause
Active
26
coolsnowwolf/lede
Lean's LEDE source
★ 31.6k
C
Other
Active
27
openssl/openssl
General purpose TLS and crypto library
★ 31k
C
Apache-2.0
Active
28
cfenollosa/os-tutorial
How to create an OS from scratch
★ 30.8k
C
BSD-3-Clause
Slowing
29
asmvik/yabai
A tiling window manager for macOS based on binary space partitioning
★ 29.7k
C
MIT
Slowing
30
openwrt/openwrt
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 wil
★ 28.8k
C
Other
Active
31
ValdikSS/GoodbyeDPI
GoodbyeDPI — Deep Packet Inspection circumvention utility (for Windows)
★ 28.8k
C
Apache-2.0
Slowing
32
facebook/zstd
Zstandard - Fast real-time compression algorithm
★ 28.1k
C
Other
Active
33
xiaojieonly/Ehviewer_CN_SXJ
ehviewer，用爱发电，快乐前行
★ 27.9k
C
Other
Active
34
valkey-io/valkey
A flexible distributed key-value database that is optimized for caching and other realtime workloads.
★ 27.5k
C
BSD-3-Clause
Active
35
libuv/libuv
Cross-platform asynchronous I/O
★ 27.3k
C
MIT
Active
36
ggreer/the_silver_searcher
A code-searching tool similar to ack, but faster.
★ 27.1k
C
Apache-2.0
Stale
37
hashcat/hashcat
World's fastest and most advanced password recovery utility
★ 27k
C
—
Active
38
pjreddie/darknet
Convolutional Neural Networks
★ 26.5k
C
Other
Stale
39
robertdavidgraham/masscan
TCP port scanner, spews SYN packets asynchronously, scanning entire Internet in under 5 minutes.
★ 26.1k
C
AGPL-3.0
Active
40
taosdata/TDengine
High-performance, scalable time-series database designed for Industrial IoT (IIoT) scenarios
★ 25.2k
C
AGPL-3.0
Active
41
radareorg/radare2
UNIX-like reverse engineering framework and command-line toolset
★ 25.1k
C
Other
Active
42
fastfetch-cli/fastfetch
A maintained, feature-rich and performance oriented, neofetch like system information tool.
★ 25.1k
C
MIT
Active
43
lvgl/lvgl
LVGL is a free, full-featured embedded UI library for devices from small MCUs to 3D-capable MPUs, enhanced by LVGL Pro, a professional edito
★ 25k
C
MIT
Active
44
arendst/Tasmota
Alternative firmware for ESP8266 and ESP32 based devices with easy configuration using webUI, OTA updates, automation using timers or rules,
★ 24.9k
C
GPL-3.0
Active
45
HandBrake/HandBrake
HandBrake's development repository
★ 24.7k
C
Other
Active
46
antirez/ds4
DeepSeek 4 Flash and PRO local inference engine for Metal, CUDA and ROCm
★ 23.9k
C
MIT
Active
47
timescale/timescaledb
A time-series database for high-performance real-time analytics packaged as a Postgres extension
★ 23.7k
C
Other
Active
48
pgvector/pgvector
Open-source vector similarity search for Postgres
★ 23.4k
C
Other
Active
49
iovisor/bcc
BCC - Tools for BPF-based Linux IO analysis, networking, monitoring, and more
★ 22.7k
C
Apache-2.0
Active
50
TheAlgorithms/C
Collection of various algorithms in mathematics, machine learning, computer science, physics, etc implemented in C for educational purposes.
★ 22.5k
C
GPL-3.0
Stale
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