Version 0.3 of package Tree-Inspector has just been released in GNU ELPA. You can now find it in M-x list-packages RET.
Tree-Inspector describes itself as: ========================================================= Inspector tool for Emacs Lisp object that uses a treeview ========================================================= More at https://elpa.gnu.org/packages/tree-inspector.html ## Summary: Inspector tool for Emacs Lisp object that uses a treeview. ## Recent NEWS: [Not available 🙁]