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29 stars written in C
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MicroPython - a lean and efficient Python implementation for microcontrollers and constrained systems

C 21,616 8,785 Updated Apr 9, 2026

Flipper Zero Unleashed Firmware

C 21,348 1,851 Updated Apr 1, 2026

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 …

C 6,572 2,858 Updated Apr 2, 2026

TIC-80 is a fantasy computer for making, playing and sharing tiny games.

C 5,894 595 Updated Mar 12, 2026

Raspberry Pi Pico Arduino core, for all RP2040 and RP2350 boards

C 2,757 548 Updated Apr 7, 2026

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

C 2,653 1,273 Updated Jul 1, 2025

Small utilities that are useful in advanced password cracking

C 1,561 400 Updated Nov 8, 2025

Wireless CarPlay for CarPlay enabled cars

C 988 176 Updated Jun 24, 2024

A Simple Unix-like operating system

C 976 53 Updated Sep 20, 2025

Improvements made to the cheap T-962 reflow oven utilizing the _existing_ controller HW

C 850 206 Updated May 13, 2024

Chad Strings - The Chad way to handle strings in C.

C 835 12 Updated Mar 1, 2023

Proof of Concept of ESP32/8266 Wi-Fi vulnerabilties (CVE-2019-12586, CVE-2019-12587, CVE-2019-12588)

C 817 69 Updated Sep 8, 2019

A lightweight, secure, easy-to-use crypto library suitable for constrained environments.

C 763 123 Updated Mar 31, 2026

Quake 1 game port to Apple Watch

C 733 29 Updated Feb 7, 2023

Arduino Core for SAMD21 CPU

C 495 743 Updated Jun 28, 2024

USB Composite library for STM32F1 (HID, Serial, MIDI and XBox360 controller)

C 413 84 Updated Feb 4, 2024

Software I2C Arduino library

C 394 97 Updated Jul 9, 2024

Radically unbloated DEFLATE/zlib/gzip compression/decompression library. Can decompress any gzip/zlib data, and offers simplified compressor which produces gzip-compatible output, while requiring m…

C 347 95 Updated Oct 9, 2023

AC1200 High Gain WiFi USB Adapter Linux kernel driver

C 295 149 Updated Jan 15, 2020

USB Mass Storage bootloader (based on UF2) for SAMD21 and SAMD51

C 262 326 Updated Jan 9, 2025

a tiny graphical app kit for ruby

C 187 17 Updated Aug 24, 2025

merry christmas, have some asf without registration

C 163 104 Updated Sep 9, 2018

WiFi + Bluetooth, designed for the Raspberry Pi Zero

C 115 30 Updated May 31, 2019

Preferences library for Arduino, ESP8266, RP2040, Particle, Realtek Ameba

C 102 17 Updated Oct 24, 2025

KnowFlow Automatic Water Monitoring device is an open sourced tool enable everyone having access to first hand water quality data with low cost.

C 96 42 Updated Dec 5, 2025

LIN(Local interconnect network) to USB converter with LIN master support compatible with SLCAN.

C 88 39 Updated Aug 26, 2022

An httpsclient implementation for particle.io's photon

C 68 24 Updated May 11, 2017

Particle port of Adafruit GFX graphics library

C 9 4 Updated Aug 16, 2024