Getting Things Done topic
The GTD method rests on the idea of moving planned tasks and projects out of the mind by recording them externally and then breaking them into actionable work items.
practical.org.el
A simple, all-in-one workflow system for regular Emacs. Includes a useful GTD system (Getting Things Done), time management system, habit management system, contact management system, Zettelkasten, a...
tracks
Tracks is a GTD™ web application, built with Ruby on Rails
gtg
Getting Things GNOME! trunk
todo.txt-gtd
My recipe for customizing todo.txt for Getting Things Done
VikingGTD
Getting Things Done tasklist/activity manager
next-action
Next-action: determine the next action to work on from a list of actions in a todo.txt file