Sites that can help

Most people come to HabitRPG with goals and habits that we've learned elsewhere. While we come to the game to practice good habits, we can also share the thoughtful resources that inspire us.

Sites Focused on Productivity
http://ayearofproductivity.com/category/time/ - A year of productivity is full of quick and interesting reads. This section focuses on timehacks.

http://lifehacker.com/ - You'll probably see the word lifehack around here a lot.

Life hacking refers to any productivity trick, shortcut, skill, or novelty method to increase productivity and efficiency, in all walks of life  - Wikipedia

A site that is a constant source of new lifehacks, and includes an actively commenting community of lifehackers can be really valuable in getting things done. It's quite worthwhile to search for articles on goals most people struggle with, such as money, cooking, excercise, organizing...

http://www.mashgeek.com - Another lifehacking repository

http://zenhabits.net/ While most productivity sites focus on doing more, zenhabits focuses on simplifying. Great coverage of breaking habits.

Sites that help with common goals
http://www.getrichslowly.org/ - This is a money blog, with lots of guest articles on topics like cheap healthy eating.

http://www.youtube.com/user/vlogbrothers - Learning something new pops up a lot in challenges and habits. You can take a youtube break, learn something new, and generally come away energized and ready to do something awesome.

If you're reading this, you probably have a few brilliant suggestions. I encourage you to add more.