sad the app has been abandoned, I have to run a vm of old OS to still use it. Please someone pick up the torch.

This is an excellent write-up and I realise I've been significantly underusing Tree. Thanks for the review/

Finally something with nice keyboard shortcuts that is as fast as FreeMind. I know I know, it as ugly but at least without all these Cmd+Shift+N to add new child jokes like some other apps.