This is a list of some of the best personal development, productivity and lifehack blogs I’ve came across.  If you have a personal development, productivity or lifehack type of blog and would like it to be considered for addition to this list, leave a comment with your blogs url.  I will review every submission and add the blogs I like

1. Steve Pavlina’s Personal Development Blog.  This blog is simply the best personal development, self improvement blog I ever came across on the internet.  Here are a few of my favorite posts that you should check out: 10 Reasons You Should Never Get a Job - Self-Discipline - How to Get From a 7 to a 10.
2. Tim Ferris - The 4 Hour Work Week Blog. A great productivity blog.  Here are some of my favorite posts: How to Lose 20 lbs. of Fat in 30 Days… Without Doing Any Exercise - From Geek to Freak: How I Gained 34 lbs. of Muscle in 4 Weeks
3. Lifehack. Full of lifehacks, tips and tricks.  Here is one of my favorite posts: 50 Tricks to Get Things Done Faster, Better, and More Easily
4. Life Hacker - Tech, Tips, Tricks Blog. This is great productivity blog full of many tips and tricks.  Here is one my favorite posts: Twenty Healthy Foods that Cost $1 or Less.
5. 43Folders.  Simple ways to make your life a little better. One popular post is Getting Started with GTD.
6. Cultivate Greatness. One of my favorite posts is The 75 Skills Every Man Should Master.
7. Personal Development.ie - One of the best Personal development blogs.  Here is a guest post I wrote for that blog: Break Free From the Mainstream
8. The Positivity Blog. One of my favorite posts is 7 Habits of Highly Ineffective People.
9. Scott H Young’s Personal Development Blog. Focused on achievement and goals. Some of my favorite posts are Habitual Mastery and Double Your Reading Rate
10. Zen Habits.  A great blog filled with lots of simple yet effective tips.  Check out The Cheapskate Guide: 50 Tips for Frugal Living.
11. Dumb Little Man. Great tips for everything you can think of.
12. Web Worker Daily. Great How to articles like this one: Simplify Your Work.