Discover Windows Softwares to GTD-based.
Provides features and structure that align with the principles of David Allen's Getting Things Done methodology, including support for contexts and goals.
ActiveInbox transforms your Gmail inbox into a powerful task manager, helping you prioritize emails, manage projects, and achieve Inbox Zero with a Getting Things Done (GTD) approach directly within your familiar email environment.
Taskwarrior is a powerful, open-source command-line task management tool designed for serious productivity enthusiasts. It provides a highly configurable and efficient way to track, prioritize, and manage your tasks directly from the terminal, supporting complex workflows like GTD.