Todomoo
Todomoo is a todo manager specially designed to help you manage paid projects.
22 Alternatives To Todomoo
Free DocusTree
Organize your documents, webpages and more in a tree structure - 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.
TreeDBNotes
Freeware Personal Information manager, Notes organizer, Document manager software and Information System, Lecture Notes management