UV Outliner is a small and powerful application for creating, organizing, and collecting information.

Extended TreeView is flexible hierarchical .NET control for Windows Forms. Use it when you need to wrap text in the node or to arrange the tabular layout of the node content. You can display different content in the selected and in the normal node.

There is a small freeware Unicode outliner with BlowFish encryption. With this outliner you can store various information into tree-like structure with folders and notes. You can use strong BlowFish encryption to secure your data.

Tabbed notebook, outliner, information manager with Rich Text, tree notes and strong encryption. Stores many notes within one file. Powerful editing, search, import/export, macros. Extremely configurable interface and behavior. Freeware, open-source.

Achieve Planner is a time management software system that helps you get organized, increase your productivity, and make better use of your time. It features a hierarchical (multi-level) project/task outliner with a weekly calendar.

Wth IntegralUI TreeView you can create rich hierarchical presentation of your data. Use XML tags to fill the tree node content with text in multiple colors and paragraghs, images, custom controls, checkbox, flag and hyperlinks.

It gives a user the easiest way to get image contouring with desired quality. This plug-in just picks out various edges making them more expressive. ImageSkill Ouliner is FREEWARE.

Maple is a useful document organizer that enables you to create your own hierarchical trees for storing information such as documents, notes, and images.