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Pursuing of Knowledge
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113 stars written in C
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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…

C 24,224 5,068 Updated Mar 26, 2026

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

C 21,583 8,760 Updated Mar 26, 2026

Open Source Flight Controller Firmware

C 10,752 3,669 Updated Mar 27, 2026

Package desktop applications as AppImages that run on common Linux-based operating systems, such as RHEL, CentOS, openSUSE, SLED, Ubuntu, Fedora, debian and derivatives. Join #AppImage on irc.liber…

C 9,293 584 Updated Jun 9, 2025

Lua based interactive firmware for ESP8266, ESP8285 and ESP32

C 7,903 3,125 Updated Mar 25, 2026

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

C 7,337 1,494 Updated Mar 14, 2026

An open source, embedded, high performance g-code-parser and CNC milling controller written in optimized C that will run on a straight Arduino

C 6,131 3,203 Updated Jun 2, 2024

RIOT - The friendly OS for IoT

C 5,701 2,076 Updated Mar 26, 2026

Simple unit testing for C

C 5,123 1,099 Updated Mar 21, 2026

Open source STM32 MCU programming toolset

C 5,017 1,313 Updated Oct 12, 2025

ESP32/ESP8285-based High-Performance Radio Link for RC applications

C 4,814 1,350 Updated Mar 26, 2026

open-source IEEE 802.11 WiFi baseband FPGA (chip) design: driver, software

C 4,557 768 Updated Feb 19, 2026

An open source, embedded, high performance g-code-parser and CNC milling controller written in optimized C that will run on a straight Arduino

C 4,444 1,689 Updated Jun 12, 2024

DistroAV (formerly OBS-NDI): NDI integration for OBS Studio

C 4,265 422 Updated Mar 21, 2026

INAV: Navigation-enabled flight control software

C 4,019 1,784 Updated Mar 25, 2026

RTL8812AU/21AU and RTL8814AU driver with monitor mode and frame injection

C 3,915 837 Updated Mar 17, 2026

The official git repository for Contiki, the open source OS for the Internet of Things

C 3,792 2,575 Updated Apr 6, 2024

Proxmark 3

C 3,464 945 Updated Jan 2, 2026

Software-Defined GPS Signal Simulator

C 3,347 945 Updated Jan 26, 2025

The arguably fastest GPIO Library for the Raspberry Pi

C 3,281 1,287 Updated Mar 13, 2026

STM32 core support for Arduino

C 3,231 1,075 Updated Mar 24, 2026

Arduino STM32. Hardware files to support STM32 boards, on Arduino IDE 1.8.x including LeafLabs Maple and other generic STM32F103 boards

C 2,651 1,274 Updated Jul 1, 2025

DEPRECATED - See README.md

C 2,530 1,104 Updated Nov 18, 2022

Face detection and recognition framework

C 2,032 530 Updated Jan 30, 2026

Reference implementation and documentation of a LoRa network node.

C 1,983 1,104 Updated Jul 3, 2024

Component library for ESP32-xx and ESP8266

C 1,602 481 Updated Jan 24, 2026

Mini Drone/Quadcopter Firmware for ESP32 and ESP32-S Series SoCs.

C 1,528 383 Updated Jul 24, 2025

Contiki-NG: The OS for Next Generation IoT Devices

C 1,479 754 Updated Mar 27, 2026

Lightweight JSON library written in C.

C 1,446 336 Updated May 11, 2024
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