Silicon Valley Dictionary - Urban dictionary meets Silicon Valley
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.
Writefull Thesaurus - A Google Docs add-on that uses AI to give you synonyms
Memrise - Learn a new language with games, humorous chatbots and over 30,000 native speaker videos.
Dictionary Anywhere - Dictionary Anywhere is an open-source and easy-to-use browser extension for Mozilla Firefox and Google Chrome that allows you to check definitions easily while browsing the web.
Busuu - Join the global language learning community, take language courses to practice reading, writing, listening and speaking and learn a new language. Learn English with busuu's .