Ada Bare Bones OS development tutorial source code
General-purpose, formally-verified, 64-bit operating system in SPARK/Ada for x86-64
Operating System development experiment in Ada
A secure and high performances microkernel for building secure MCU-based IoTs
An OS built with the Ironclad kernel and GNU tools
An attempt at a minimalistic and secure operating system.
HiRTOS: a high-integrity multi-core RTOS kernel and separation kernel written in SPARK Ada