Language · C

C

Tracked open-source repos with C as the primary language, sorted by stars.

3,495 repos

#31
libuv@libuvC
Cross-platform asynchronous I/O
★ 27,138+14Star change over the last 7 days
#32
the_silver_searcher@ggreerC
A code-searching tool similar to ack, but faster.
★ 27,108+6Star change over the last 7 days
#33
valkey@valkey-ioC
A flexible distributed key-value database that is optimized for caching and other realtime workloads.
★ 26,995+65Star change over the last 7 days
#34
hashcat@hashcatC
World's fastest and most advanced password recovery utility
★ 26,637+52Star change over the last 7 days
#35
Ehviewer_CN_SXJ@xiaojieonlyC
ehviewer，用爱发电，快乐前行
★ 26,509+165Star change over the last 7 days
#36
darknet@pjreddieC
Convolutional Neural Networks
★ 26,493+0Star change over the last 7 days
#37
colibri@JustVuggC
Run frontier MoE models on hardware you already own — pure C, zero deps, experts streamed from disk. Tiny engine, immense model. 🐦
★ 26,394+726Star change over the last 7 days
#38
masscan@robertdavidgrahamC
TCP port scanner, spews SYN packets asynchronously, scanning entire Internet in under 5 minutes.
★ 25,958+17Star change over the last 7 days
#39
TDengine@taosdataC
High-performance, scalable time-series database designed for Industrial IoT (IIoT) scenarios
★ 25,090+15Star change over the last 7 days
#40
Tasmota@arendstC
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
★ 24,728+9Star change over the last 7 days
#41
radare2@radareorgC
UNIX-like reverse engineering framework and command-line toolset
★ 24,662+52Star change over the last 7 days
#42
lvgl@lvglC
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.
★ 24,515+83Star change over the last 7 days
#43
fastfetch@fastfetch-cliC
A maintained, feature-rich and performance oriented, neofetch like system information tool.
★ 24,413+117Star change over the last 7 days
#44
HandBrake@HandBrakeC
HandBrake's development repository
★ 24,194+90Star change over the last 7 days
#45
timescaledb@timescaleC
A time-series database for high-performance real-time analytics packaged as a Postgres extension
★ 23,434+49Star change over the last 7 days
#46
pgvector@pgvectorC
Open-source vector similarity search for Postgres
★ 22,788+100Star change over the last 7 days
#47
bcc@iovisorC
BCC - Tools for BPF-based Linux IO analysis, networking, monitoring, and more
★ 22,642+16Star change over the last 7 days
#48
C@TheAlgorithmsC
Collection of various algorithms in mathematics, machine learning, computer science, physics, etc implemented in C for educational purposes.
★ 22,353+22Star change over the last 7 days
#49
unleashed-firmware@DarkFlippersC
Flipper Zero Unleashed Firmware
★ 22,125+31Star change over the last 7 days
#50
micropython@micropythonC
MicroPython - a lean and efficient Python implementation for microcontrollers and constrained systems
★ 22,016+15Star change over the last 7 days
#51
postgres@postgresC
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
★ 21,918+60Star change over the last 7 days
#52
ds4@antirezC
DeepSeek 4 Flash and PRO local inference engine for Metal, CUDA and ROCm
★ 21,867+250Star change over the last 7 days
#53
nnn@jarunC
n³ The unorthodox terminal file manager
★ 21,838+19Star change over the last 7 days
#54
mimikatz@gentilkiwiC
A little tool to play with Windows security
★ 21,800+18Star change over the last 7 days
#55
cosmopolitan@jartC
build-once run-anywhere c library
★ 21,263+12Star change over the last 7 days
#56
goaccess@allinurlC
GoAccess is a real-time web log analyzer and interactive viewer that runs in a terminal in *nix systems or through your browser.
★ 20,874+47Star change over the last 7 days
#57
qmk_firmware@qmkC
Open-source keyboard firmware for Atmel AVR and Arm USB families
★ 20,660+17Star change over the last 7 days
#58
ish@ish-appC
Linux shell for iOS
★ 20,375+28Star change over the last 7 days
#59
llama2.c@karpathyC
Inference Llama 2 in one file of pure C
★ 20,029+26Star change over the last 7 days
#60
HarmonyOS@Awesome-HarmonyOSC
A curated list of awesome things related to HarmonyOS. 华为鸿蒙操作系统。
★ 19,957+8Star change over the last 7 days

← Back to languages