That is pretty much it, + everything in one repo so that you can fix bugs anywhere in the stack when encountering them. While "Unix-like core with the look&fee

That is pretty much it, + everything in one repo so that you can fix bugs anywhere in the stack when encountering them. While "Unix-like core with the look&feel of 1990s productivity software" sounds simple, it's more than what most new OS projects I have seen provide and it very clearly signals who it's for. The "look&feel of 1990s productivity software", communicates that the UI will use consistent elements across applications, which is something you only find in Mac OSX these days. The Super welcoming community is the other half keeping people engaged that you are looking for.