CoolPotOS for ia32 / amd64
How to create an OS from scratch
Application Kernel for Containers
Annotated Unix system source code
A tapas/topaz/sapphire kernel optimized for smoothness and low-memory
Building and running ancient Linux on Windows
A bleeding-edge, security-centric Arch-based Linux distribution.
An operating system inspired by brutalist design
A multi-threaded-style OS for the Spectrum +3
Tiny Kernel is a work in progress Operating System kernel.
Learning operating system development using Linux kernel and Raspberry
An operating system written in C
An little operating system
Simplest kernel for cooperative multithreading
Haiway Edge Computing OS
Real time preemptive embedded multi-thread kernel
Ubuntu-based Linux Gaming OS
A UNIX-like kernel for the i386 architecture
Mulithreading Arduno library