Reji - Improve your vocabulary hassle-free ๐
Literal - Track your reading and discover your next favourite book
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.
Readup - Track and improve your online reading habits.
Words For That - the reverse-Urban Dictionary of the internet
Litnerd - The Pixar for education, reading program for K-5 schools