Go Fucking Work - Website blocker so you can get back to your fucking work
Go Fucking Do It - Set a deadline and a price. If you fail, you pay.
UnDistracted App - Use social media in a useful way. Control Facebook, YouTube, Twitter, Reddit, Netflix and LinkedIn in a responsible way.
Decidr - Make better decisions with quick A/B polls
Newsfeed Burner - Burn away distractions on Facebook, Linkedin and Youtube
AbTest.io - A free url shortener with A/B testing features