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

C 13,625 8,197 Updated Nov 7, 2025

Simple DirectMedia Layer

C 13,976 2,438 Updated Nov 7, 2025

picolibc - a C library designed for embedded 32- and 64- bit systems.

C 1,425 239 Updated Nov 7, 2025

🟢 super fast 🚀 and tiny 🐥 embedded device 𝘾 printf-like trace ✍ code, works also inside ⚡ interrupts ⚡ and real-time PC 💻 logging (trace ID visualization 👀)

C 828 82 Updated Nov 7, 2025

Mirror of CMake upstream repository

C 7,568 2,656 Updated Nov 7, 2025

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

C 3,533 1,405 Updated Nov 7, 2025

CherryUSB is a tiny and beautiful, high performace and portable USB host and device stack for embedded system with USB IP

C 1,726 371 Updated Nov 7, 2025

Firmware for Pinetime smartwatch written in C++ and based on FreeRTOS

C 3,116 1,029 Updated Nov 6, 2025

Lightweight dynamic memory manager library for embedded systems with memory constraints. It implements malloc, calloc, realloc and free functions

C 417 80 Updated Nov 6, 2025

Official OpenOCD Read-Only Mirror (no pull requests)

C 2,027 926 Updated Nov 6, 2025

An LLVM/Clang/LLD based mingw-w64 toolchain

C 2,535 227 Updated Nov 5, 2025

LibTomCrypt is a fairly comprehensive, modular and portable cryptographic toolkit that provides developers with a vast array of well known published block ciphers, one-way hash functions, chaining …

C 1,712 484 Updated Nov 3, 2025

A C library for peripheral I/O (GPIO, LED, PWM, SPI, I2C, MMIO, Serial) in Linux.

C 981 285 Updated Nov 2, 2025

Git GUI Client

C 1,649 136 Updated Nov 2, 2025

Apache mynewt

C 825 459 Updated Oct 29, 2025

An open-source OS for embedded applications that supports prioritized cooperative scheduling, time control, inter-task communications primitives, hierarchical state machines and CoRoutines.

C 338 61 Updated Oct 27, 2025

Simple unit testing for C

C 4,867 1,069 Updated Oct 27, 2025

An ultra-lightweight database that supports key-value and time series data | 一款支持 KV 数据和时序数据的超轻量级数据库

C 2,306 505 Updated Oct 27, 2025

A realtime telemetry workbench for embedded systems.

C 6,214 931 Updated Oct 27, 2025

ZSWatch - the Open Source Zephyr™ based Smartwatch, including both HW and FW.

C 3,014 272 Updated Oct 25, 2025

Embedded C Library (mirror)

C 186 52 Updated Oct 18, 2025

A cross-platform C and C++ unit testing framework for the 21st century

C 2,179 183 Updated Oct 14, 2025

shell for MCU. 单片机命令行交互。

C 317 116 Updated Oct 8, 2025

A Tiny Linux-Compatible Kernel

C 3,006 129 Updated Sep 26, 2025

Lightweight generic ring buffer manager library

C 1,294 303 Updated Sep 20, 2025

M*LIB is a library of generic and type safe containers / data structures in pure C language (C99 / C11) for a wide collection of container (comparable to the C++ STL).

C 1,054 86 Updated Sep 15, 2025

A modern, portable, cross-language unit testing and mocking framework for C and C++

C 180 49 Updated Sep 12, 2025

A Micro (1k lines of code) Unit Test Framework for C/C++

C 173 32 Updated Aug 19, 2025

A serial device I/O tool

C 2,611 186 Updated Aug 7, 2025

CMake for stm32 developing.

C 1,312 354 Updated Aug 5, 2025
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