This looks really similar to Blender's node editor. Is there a relationship?
The original creator, Noah, has posted a short introduction in the community chat[1] where he highlights the influence of Blender 3D and the node-based workflow for the app
[1] Gimel Studio community chat (Zulip, needs sign-in) -- https://gimelstudio.zulipchat.com/#narrow/stream/320145-intr...
Not that this is a bad thing. Blender's is quite nice.