[halfcat]

You might like Workflowy. It’s not circles, but you can infinitely zoom into a tree of hierarchical data.

https://workflowy.com

[keepamovin]

Thank you! If it has a github link I will star it now to remem. :)

edit: I clicked starred your github but not sure if it's directly related to this site. It ok, it will help me remem it. :)