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.
Lingvist - Lingvist helps you take your foreign language skills to the next level with a broad selection of exercises and lessons.
Orenoo - All-in-one english dictionary web app for language learners
Easy Ten - Learn any language with ten words a day.
Language Drops - Play with your words. Language learning simplified.
Readlang - Read your favorite webpages, translate the words you don't know, and we'll generate flashcards to help you remember.