Blogs
GTD Blogs
- 43 Folders is a great site with a lot of great introductory articles
- Lifehacks "Productivity, Getting Things Done, and Lifehacks blog" (not to be confused with Lifehacker.org).
- Personal Development for Smart People Steve Pavlina's productivity blog. Not all articles are specifically GTD-oriented but some very helpful & insightful articles for those interested in improving their personal productivity.