>MonoGame is free to use on all platforms from the public repository, but the code for supporting console platforms is only accessible to authorized console developers.

>These platforms are provided as private code repositories that add integrations with the console vendor's APIs and platform-specific documentation.

https://docs.monogame.net/articles/console_access.html

How can something be open source and closed at the same time? Is this basically MIT license? (Project page says Microsoft Public license)