Apache NuttX is a mature, real-time embedded operating system (RTOS).
RT-Thread是一个来自中国的开源物联网操作系统，它提供了非常强的可伸缩能力：从一个可以运行在ARM Cortex-M0芯片上的极小内核，到中等的ARM Cortex-M3/4/7系统，甚至是多核，64位的ARM Cortex-A，MIPS32/64处理器的功能丰富系统
The xinit program is used to start the X Window System server and a first client program on systems that are not using a display manager such as xdm.
OpenCore bootloader with development SDK.
Arm Mbed OS is an open source embedded operating system designed specifically for the "things" in the Internet of Things.
Zephyr Project is a scalable real-time operating system (RTOS) supporting multiple hardware architectures, optimized for resource constrained devices, and built with security in mind
LCUI 的示例应用，克隆并运行它以快速查看 LCUI 的运行方式
SEGGER Embedded Studio Prebuilt Projects For Nuclei Processor Core
中国地质大学（武汉）海洋学院海洋工程与技术系计算流体力学本科生教学。本课程为专业选修课，共32课时。
