PC Based GTD Software: These Programs implement GTD in some shape or form using a PC based system.

Stand Alone Programs

• My Life Organised a program which is very popular.

• ListPro - from Ilium Software's - list manager for Pocket PC, Palm, Smartphone or Windows PC

• Basecamp, or it's free counterpart, Backpack, a very complete program to add projects, to-do's, files etc. and to collaborate with team-mates (if needed).

• Bonsai - from Natara Software, a great outliner with a desktop for Windows, USB drive, or Palm handhelds. It has a great mix of power and ease of use, with filters and tags (key words). It even has "Next Action" filtering.
• Ultra Recall - an innovative personal info manager well suited to GTD - can store/link/annotate/encrypt emails, documents, web pages, projects, next actions, and much more. Samples, demos, a comprehensive help file, an active forum and professional support are all available.

Outlook - plug ins and configuration scenerios

• JelloGTD an Outlook dashboard for GTD.
• Getting Things Done Outlook Plug In - promoted and co-developed by David Allen.

• Outlook Hacks - ways to configure Outlook to help you GTD

Lotus Notes - software and configuration scenerios

• ICA eProductivity Template for Lotus Notes by Erik Mack (David Allen's technologist.) is a well thought out program that seemlessly integrates with Lotus Notes for a solid GTD application.
• GTD And Lotus Notes is an E-book written by David Allen and Erik Mack (a leading authority on implementing GTD in Lotus Notes).
• Notes on Productivity is Erik Mack's blog on integrating Lotus Notes with GTD.  He is also