New Tab by Flickr - Get a beautiful photo each time you open a new tab
stickK - stickK enables users to form commitment contracts to help them achieve their personal goals.
Exposure New Tab - Get a beautiful photo from Exposure in every new tab
YourHour - YourHour is an app by Mindefy labs through which you can easily overcome with your phone addiction by monitoring your phone usage.
Less Boring New Tab - Your browser deserves a better new tab page
Momentum - Agile goal and performance management