I'd call it more like a 330. MS is running GitHub - well OK, never liked that one. It's a pretty lame source hosting platform and way too centralized. MS is doing some half open source bullshit like VS Code and open source glue software that only runs on Windows (who are they kidding?). I wouldn't trust open source .net stuff to stay that way forever, especially if it had any success. There is some smaller stuff like cross-platform PowerShell and mimalloc that seems OK.