But see https://github.com/jubalh/awesome-os https://github.com/jubalh/awesome-os There are dozens and dozens of new operating systems listed here. Most are ex

But see https://github.com/jubalh/awesome-os https://github.com/jubalh/awesome-os There are dozens and dozens of new operating systems listed here. Most are experiments -- what you might call hobby projects -- but there are some interesting ideas implemented among them.