C Trending

RsyncProject /

rsync

#1

An open source utility that provides fast incremental file transfer. It also has useful features for backup and restore operations among many other use cases.

xiaojieonly /

Ehviewer_CN_SXJ

#14

ehviewer，用爱发电，快乐前行

dorianborian /

sesame-robot

#5

An open and affordable mini quadruped robot based on ESP32.

netdata /

netdata

#11

The fastest path to AI-powered full stack observability, even for lean teams.

kingToolbox /

WindTerm

#19

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

lvgl /

lvgl

#20

Embedded graphics library to create beautiful UIs for any MCU, MPU and display type.

timescale /

timescaledb

#8

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

facebook /

zstd

#3

Zstandard - Fast real-time compression algorithm

zephyrproject-rtos /

zephyr

#18

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

zanfranceschi /

rinha-de-backend-2026

#2

Rinha de Backend - Quarta Edição: Detecção de Fraude com Busca Vetorial

espressif /

esp-idf

#16

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

jqlang /

jq

#12

Command-line JSON processor

openssl /

openssl

#10

General purpose TLS and crypto library

RT-Thread /

rt-thread

#9

RT-Thread is an open source IoT Real-Time Operating System (RTOS). https://rt-thread.github.io/rt-thread/

DaveGamble /

cJSON

#7

Ultralightweight JSON parser in ANSI C

DPDK /

dpdk

#21

Data Plane Development Kit

21cncstudio /

project_aura

#17

ESP32‑S3 air‑quality station with LVGL UI, MQTT, Home Assistant

FRRouting /

frr

#15

The FRRouting Protocol Suite

eclipse-mosquitto /

mosquitto

#13

Eclipse Mosquitto - An open source MQTT broker

Mbed-TLS /

mbedtls

#4

An open source, portable, easy to use, readable and flexible TLS library, and reference implementation of the PSA Cryptography API. Releases are on a varying cadence, typically around 3 - 6 months between releases.

sonic-net /

sonic-buildimage

#6

Scripts which perform an installable binary image build for SONiC

xiaojieonly /

Ehviewer_CN_SXJ

#5

ehviewer，用爱发电，快乐前行

DeusData /

codebase-memory-mcp

#6

High-performance code intelligence MCP server. Indexes codebases into a persistent knowledge graph — average repo in milliseconds. 158 languages, sub-ms queries, 99% fewer tokens. Single static binary, zero dependencies.

RsyncProject /

rsync

#3

An open source utility that provides fast incremental file transfer. It also has useful features for backup and restore operations among many other use cases.

valkey-io /

valkey

#12

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

zephyrproject-rtos /

zephyr

#4

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

vanhauser-thc /

thc-hydra

#10

hydra

pgvector /

pgvector

#13

Open-source vector similarity search for Postgres

86Box /

86Box

#7

Emulator of x86-based machines.

FreeRTOS /

FreeRTOS-Kernel

#1

FreeRTOS kernel files only, submoduled into https://github.com/FreeRTOS/FreeRTOS and various other repos.

allinurl /

goaccess

#8

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

RfidResearchGroup /

ChameleonUltra

#17

The new generation chameleon based on NRF52840 makes the performance of card emulation more stable. And gave the chameleon the ability to read, write, and decrypt cards.

eclipse-mosquitto /

mosquitto

#16

Eclipse Mosquitto - An open source MQTT broker

RT-Thread /

rt-thread

#18

RT-Thread is an open source IoT Real-Time Operating System (RTOS). https://rt-thread.github.io/rt-thread/

openssl /

openssl

#14

General purpose TLS and crypto library

OpenTenBase /

OpenTenBase

#9

OpenTenBase is an enterprise-level distributed HTAP open source database.

DaveGamble /

cJSON

#2

Ultralightweight JSON parser in ANSI C

SchedMD /

slurm

#15

Slurm: A Highly Scalable Workload Manager

libuv /

libuv

#11

Cross-platform asynchronous I/O

RsyncProject /

rsync

#1

An open source utility that provides fast incremental file transfer. It also has useful features for backup and restore operations among many other use cases.

xiaojieonly /

Ehviewer_CN_SXJ

#6

ehviewer，用爱发电，快乐前行

kristapsdz /

openrsync

#12

BSD-licensed implementation of rsync

allinurl /

goaccess

#7

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

bol-van /

zapret2

#3

anti-dpi software

pgvector /

pgvector

#19

Open-source vector similarity search for Postgres

wolfSSL /

wolfCOSE

#11

A fast, portable, and lightweight COSE + CBOR implementation for embedded systems. Supports PQC, FIPS 140-3, DO-178, and MISRA C. Powered by wolfSSL.

brunodev85 /

winlator

#13

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

86Box /

86Box

#2

Emulator of x86-based machines.

libsdl-org /

SDL

#18

Simple DirectMedia Layer

jqlang /

jq

#16

Command-line JSON processor

armel /

uv-k1-k5v3-firmware-custom

#10

This is a fork of F4HWN firmware https://github.com/armel/uv-k5-firmware-custom by @muzkr and @armel

merbanan /

rtl_433

#9

Program to decode radio transmissions from devices on the ISM bands (and other frequencies)

dayanch96 /

YTMusicUltimate

#17

The best tweak for YouTube Music iOS.

pret /

pokeemerald

#14

Decompilation of Pokémon Emerald

systemd /

systemd

#8

The systemd System and Service Manager

coop-deluxe /

sm64coopdx

#4

An official continuation of https://github.com/djoslin0/sm64ex-coop on sm64coopdx for the enhancements and progress it already has.

RsyncProject /

rsync

#2

An open source utility that provides fast incremental file transfer. It also has useful features for backup and restore operations among many other use cases.

Genymobile /

scrcpy

#11

Display and control your Android device

duixcom /

Duix-Avatar

#1

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

xiaojieonly /

Ehviewer_CN_SXJ

#9

ehviewer，用爱发电，快乐前行

raysan5 /

raylib

#7

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

ish-app /

ish

#3

Linux shell for iOS

libuv /

libuv

#13

Cross-platform asynchronous I/O

FreeRTOS /

FreeRTOS-Kernel

#5

FreeRTOS kernel files only, submoduled into https://github.com/FreeRTOS/FreeRTOS and various other repos.

hufrea /

byedpi

#10

Bypass DPI

jart /

cosmopolitan

#18

build-once run-anywhere c library

hathach /

tinyusb

#15

An open source cross-platform USB stack for embedded system

DaveGamble /

cJSON

#14

Ultralightweight JSON parser in ANSI C

coop-deluxe /

sm64coopdx

#12

An official continuation of https://github.com/djoslin0/sm64ex-coop on sm64coopdx for the enhancements and progress it already has.

AdAway /

AdAway

#6

AdAway is a free and open source ad blocker for Android.

OISF /

suricata

#19

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine developed by the OISF and the Suricata community.

Cyan4973 /

xxHash

#17

Extremely fast non-cryptographic hash algorithm

FWGS /

xash3d-fwgs

#8

Xash3D FWGS engine

RT-Thread /

rt-thread

#4

RT-Thread is an open source IoT Real-Time Operating System (RTOS). https://rt-thread.github.io/rt-thread/

google /

security-research

#16

This project hosts security advisories and their accompanying proof-of-concepts related to research conducted at Google which impact non-Google owned code.

duixcom /

Duix-Avatar

#2

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

redis /

redis

#6

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.

bol-van /

zapret2

#9

anti-dpi software

dorianborian /

sesame-robot

#8

An open and affordable mini quadruped robot based on ESP32.

timescale /

timescaledb

#12

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

floooh /

sokol

#10

minimal cross-platform standalone C headers

RsyncProject /

rsync

#3

An open source utility that provides fast incremental file transfer. It also has useful features for backup and restore operations among many other use cases.

ValdikSS /

GoodbyeDPI

#16

GoodbyeDPI — Deep Packet Inspection circumvention utility (for Windows)

nicbarker /

clay

#15

High performance UI layout library in C.

FreeRTOS /

FreeRTOS-Kernel

#1

FreeRTOS kernel files only, submoduled into https://github.com/FreeRTOS/FreeRTOS and various other repos.

jart /

cosmopolitan

#13

build-once run-anywhere c library

jqlang /

jq

#14

Command-line JSON processor

openssl /

openssl

#11

General purpose TLS and crypto library

mackron /

miniaudio

#7

Audio playback and capture library written in C, in a single source file.

hathach /

tinyusb

#5

An open source cross-platform USB stack for embedded system

OpenTenBase /

OpenTenBase

#4

OpenTenBase is an enterprise-level distributed HTAP open source database.

Genymobile /

scrcpy

#2

Display and control your Android device

bol-van /

zapret

#11

DPI bypass multi platform

bol-van /

zapret2

#8

anti-dpi software

valinet /

ExplorerPatcher

#7

This project aims to enhance the working environment on Windows

ValdikSS /

GoodbyeDPI

#6

GoodbyeDPI — Deep Packet Inspection circumvention utility (for Windows)

zephyrproject-rtos /

zephyr

#12

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

FreeRTOS /

FreeRTOS-Kernel

#4

FreeRTOS kernel files only, submoduled into https://github.com/FreeRTOS/FreeRTOS and various other repos.

espressif /

esp-idf

#10

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

hufrea /

byedpi

#3

Bypass DPI

heiher /

hev-socks5-tunnel

#14

A lightweight, fast and reliable tun2socks

mattn /

go-sqlite3

#13

sqlite3 driver for go using database/sql

apache /

nuttx

#17

Apache NuttX is a mature, real-time embedded operating system (RTOS)

coolsnowwolf /

lede

#16

Lean's LEDE source

tianocore /

edk2

#5

EDK II

Mbed-TLS /

mbedtls

#1

An open source, portable, easy to use, readable and flexible TLS library, and reference implementation of the PSA Cryptography API. Releases are on a varying cadence, typically around 3 - 6 months between releases.

DaveGamble /

cJSON

#15

Ultralightweight JSON parser in ANSI C

sonic-net /

sonic-buildimage

#9

Scripts which perform an installable binary image build for SONiC

tmux /

tmux

#8

tmux source code

microsoft /

mimalloc

#7

mimalloc is a compact general purpose allocator with excellent performance.

espressif /

esp-idf

#6

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

nothings /

stb

#11

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

openssl /

openssl

#1

General purpose TLS and crypto library

reactos /

reactos

#17

A free Windows-compatible Operating System

asterisk /

asterisk

#5

The official Asterisk Project repository.

swaywm /

sway

#12

i3-compatible Wayland compositor

hathach /

tinyusb

#19

An open source cross-platform USB stack for embedded system

facebook /

zstd

#10

Zstandard - Fast real-time compression algorithm

lvgl /

lvgl

#3

Embedded graphics library to create beautiful UIs for any MCU, MPU and display type.

fluent /

fluent-bit

#16

Fast and Lightweight Logs, Metrics and Traces processor for Linux, BSD, OSX and Windows

esnet /

iperf

#15

iperf3: A TCP, UDP, and SCTP network bandwidth measurement tool

Cyan4973 /

xxHash

#4

Extremely fast non-cryptographic hash algorithm

sqlcipher /

sqlcipher

#18

SQLCipher is a standalone fork of SQLite that adds 256 bit AES encryption of database files and other security features.

u-boot /

u-boot

#9

"Das U-Boot" Source Tree

nanopb /

nanopb

#2

Protocol Buffers with small code size

mattn /

go-sqlite3

#14

sqlite3 driver for go using database/sql

tianocore /

edk2

#13

EDK II