Thanks for the tip. Currently I use Palm Desktop to implement GTD with a Palm M125. I’m really looking for something to help manage my reference files on the comptuer.

That sounds like a cool tool and I’m adding it to my Someday/Maybe – Programs list.

http://www.gtdagenda.com

You can use it to manage your goals, projects and tasks, set next actions and contexts, use checklists, schedules and a calendar.
A mobile version is available too.

As with the last update, now you can add or invite Contacts, and share your Projects and Contexts with them.

Hope you like it.