TreePad functioned as an extremely flexible hierarchical database , allowing users to store everything from notes and contacts to whole websites within a single file.

While finding a working is possible on legacy forums, the risk to your data is high. For professional use, migrating to an actively maintained tool like RightNote or CherryTree ensures your data remains accessible, encrypted, and compatible with modern operating systems.

: It combined a tree-structured outliner with a functional word processor and search engine.

While it uses a different "linking" philosophy, its Folder Notes plugin provides a tree-like structure that is faster and more secure.

Widely considered the direct successor for TreePad users. It can natively import TreePad