Love HIIT - Free exercise timer, share your workouts
Focus App - New Tab page that gives you a moment of calm and inspires you to be more productive.
Workout Timer - A simple, customizable workout timer
UnDistracted App - Use social media in a useful way. Control Facebook, YouTube, Twitter, Reddit, Netflix and LinkedIn in a responsible way.
Strong.app - Strenght training logger.
FocusLite - Website blocker for Mac & consumable purchase for motivation