A command line tool and library for transferring data with URL syntax, supporting DICT, FILE, FTP, FTPS, GOPHER, GOPHERS, HTTP, HTTPS, IMAP, IMAPS, LDAP, LDAPS, MQTT, MQTTS, POP3, POP3S, RTMP, RTMP…

Ultralightweight JSON parser in ANSI C

Tinyhttpd 是J. David Blackstone在1999年写的一个不到 500 行的超轻量型 Http Server，用来学习非常不错，可以帮助我们真正理解服务器程序的本质。官网:http://tinyhttpd.sourceforge.net

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

C in four functions

A copy of the Lua development repository, as seen by the Lua team. Mirrored irregularly. All communication should be through the Lua mailing list https://www.lua.org/lua-l.html

U8glib library for monochrome displays, version 2

Small portable AES128/192/256 in C

面向IoT领域的、高可伸缩的物联网操作系统，可去官网了解更多信息https://www.aliyun.com/product/aliosthings

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

Gear-Lib, C library for IOT Embedded Multimedia and Network

Button driver for embedded system

Advanced fault backtrace library for ARM Cortex-M series MCU | ARM Cortex-M 系列 MCU 错误追踪库

tinyhttpd的详细注释版，十分适合入门者学习的一个项目

STM32 examples for USART using DMA for efficient RX and TX transmission

letter shell

Wear-leveled SPI flash file system for embedded devices

An using JEDEC's SFDP standard serial (SPI) flash universal driver library | 一款使用 JEDEC SFDP 标准的串行 (SPI) Flash 通用驱动库

Small portable regex in C

CMake for stm32 developing.

AC Servo Driver for STM32F4

a lightweight GPS NMEA 0183 parser library in pure C

H264(AVC) and H265(HEVC) bit stream Analyzer, VS2010 MFC project(Windows 7 x64).

Open-source smart watch, based on LittlevGL Embedded GUI Library

灵活的按键处理库（Flexible Button）| 按键驱动 | 支持单击、双击、连击、长按、自动消抖 | 灵活适配中断和低功耗 | 按需实现组合按键

Lightweight USB device Stack for STM32 microcontrollers

STM32 LCD drivers (currently: spi(dma), gpio, fsmc(dma), st7735, st7783, ili9325, ili9328, ili9341, ili9486, ili9488, hx8347g)

AES algorithm implementation in C

Console version of the game "2048" for GNU/Linux

【深度开源】wiif+bt模块esp32学习之旅（持续更新，欢迎 Star...）