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 📚
Tandem - Get fluent together. Practice languages, anytime, anywhere.
Fluent Forever - Learn any language using neuroscience
Langolin - Learn Spanish, French, and German using Netflix
Word Chain - Word Chain is an application related to words and forming the chains of letters.