OOSS
Bastille is an open-source system for automating deployment and management of containerized applications on FreeBSD.
Phoenix-RTOS microkernel repository
Contiki-NG: The OS for Next Generation IoT Devices
A container image that is able to run bitbake/poky. It has helpers to create users and groups within the container. This is so that the output generated in the container will be readable by the use…
Slim(toolkit): Don't change anything in your container image and minify it by up to 30x (and for compiled languages even more) making it secure too! (free and open source)
QP/C Real-Time Event Framework/RTOS is a lightweight implementation of the asynchronous, event-driven Active Object (Actor) model and Hierarchical State Machines.
Balena support for RaspberryPI boards
Secure and fast microVMs for serverless computing.
Primary Git Repository for the Zephyr Project. Zephyr is a new generation, scalable, optimized, secure RTOS for multiple hardware architectures.
Quickly build and run kernels inside a virtualized snapshot of your live system
An abstraction layer across RTOS, baremetal, and user-space Linux environments
Renode - Antmicro's open source simulation and virtual development framework for complex embedded systems