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.

Anki - Anki is a program which makes remembering things easy. Because it's a lot more efficient than traditional study methods, you can either greatly decrease your time spent studying, or greatly increase the amount you learn.

Wordd - Quickly look up vocabulary, abbreviations, acronyms, slang

Word of The Hour - Easily expand your vocabulary with a new word, every hour 🕖

Kartka - Kartka is a flash card learning tool with real-time sync, spaced repetition algorithm, and a modern and friendly interface.

Mondly - Learn 33 languages in 500 bite-size lessons and 14 conversational modules.