RT-Thread is an open source IoT real-time operating system (RTOS).

Simple Unit Testing for C

AWTK = Toolkit AnyWhere(a cross-platform embedded GUI)

A reliable, high-performance, thread safe, flexsible, clear-model, pure C logging library.

Lightweight IoT device information storage solution: KV/IAP/LOG. | 轻量级物联网设备信息存储方案：参数存储、在线升级及日志存储 ，全新一代版本请移步至 https://github.com/armink/FlashDB

Dual-mode Bluetooth stack, with small memory footprint.

Software Update for Embedded Systems

RT-Thread for IoT Board (STM32L4 + Wi-Fi, sensor, lcd, audio etc)

这是一个开源的双模蓝牙协议栈(bluetooth.stack)(btstack),可以运行在STM32,Linux.，包含HCI,L2CAP,SDP,RFCOMM,HFP,SPP,A2DP,AVRCP,AVDTP,AVCTP,OBEX,PBAP等协议，后续会继续维护，以达到商用的目的

a lightly timer manager base on STM32F10X,to processing asynchronous event.

awtk在stm32f103ze平台上的移植。

用C语言写的基于控制台的一个天气客户端

单相用电器监测系统