The Mirror Space an online World similar to Roblox but open sourced, running on Godot. It soulds like a good move to have an open sourced like platform where you can take and modify things and see how other projects are made.

check the video below from the creators

Here is a video of the announcement:

Links:

Official Website : https://www.themirror.space

Open Source Announcement: https://www.themirror.space/blog/freedom-to-own-open-sourcing-the-mirror

Via Games From Scratch : https://gamefromscratch.com/the-mirror-godot-powered-engine-goes-open-source

The Mirror Godot Con 2023