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.
Reji - Improve your vocabulary hassle-free ๐
Grammarly - Clear, effective, mistake-free writing everywhere you type.
Words For That - the reverse-Urban Dictionary of the internet
BurningVocabulary - Touch and highlight YouTube & Netflix subtitles
Reverse Dictionary - Describe a concept and get back a list of words