Free DocusTree
Organize your documents, webpages and more in a tree structure - DocusTree
21 Alternatives To Free DocusTree
My Notes Keeper
Home Of My Notes Keeper - My Notes Keeper is the premier note/outliner application for Windows 9x/2000/XP/NT. It allows you to store all of your notes and information in an easy-to-use outline, where you can quickly find what you need.
RedNotebook
RedNotebook is a software that format, tag and search entries and add pictures, links and customizable templates, spell check notes, and export to plain text, HTML, Latex or PDF.
Simplenote
The simplest way to keep notes. Light, clean, and free. Simplenote is now available for iOS, Android, Mac, and the web.
Todomoo
Todomoo is a todo manager specially designed to help you manage paid projects.
Tree Notes
Simple, clean and light-weight notes manager. Organize all your notes in a tree structure with icons.
TreeDBNotes
Freeware Personal Information manager, Notes organizer, Document manager software and Information System, Lecture Notes management
Zim Wiki
Zim is a graphical text editor used to maintain a collection of wiki pages. Each page can contain links to other pages, simple formatting and images.
myBase
myBase is a powerful yet easy-to-use knowledge management software that allows you to save and organize all your information in one place
wikidPad
wikidPad is an application for storing thoughts, ideas, todo lists, contacts, or anything else that user can think of to write down.