NOPHONEZONE - Share how long you can last without using your phone
Enhancer for YouTube - Tons of features to improve your user experience on YouTube™!
DotHabit - DotHabit is an app that enables you to create daily goals to help you in building good habits and get rid of bad habits.
Iridium by ParticleCore - Iridium is an extension built to improve the user experience on the new YouTube Material layout.
UnPlug - Track your iPhone usage & digital detox with Gamification
Magic Actions for YouTube - Magic Actions is an extension that changes the way you’ll watch videos on YouTube.