kanye.rest - A free REST API for random Kanye West quotes
Lyrics Training - A game where you fill in the lyrics of your favorite songs
A Random Casey Neistat Vlog - Plays a random Casey Neistat vlog
Duolingo - Duolingo is a free language learning app for iOS, Windows and Android devices. The app makes learning a new language fun by breaking learning into small lessons where you can earn points and move up through the levels. Read more about Duolingo.
botwick - Build your own SMS-based text bot
Lyricsgaps - Learn Languages Online - Exercises Listening - Fill in the gaps