Go Fucking Work - Website blocker so you can get back to your fucking work
Radios.YT - Listen to the best YouTube music livestreams for free, 24/7
UnDistracted App - Use social media in a useful way. Control Facebook, YouTube, Twitter, Reddit, Netflix and LinkedIn in a responsible way.
Music Pro - Stream YouTube music
CUBI - See your life in weeks
Youtube Detox - Distraction-free Youtube search