Open source repositories tagged with #operating-systems, ranked by health score.
https://learningos.cn/os-lectures/ 2026年春季OS课程Slides\实验指导\思维导图\挑战项目等
A completely-from-scratch hobby operating system: bootloader, kernel, drivers, C library, and userspace including a composited graphical UI, dynamic linker, syntax-highlighting text editor, network stack, etc.
