Duolingo 

DuolingoLearning a new language can be difficult and oftentimes expensive. Duolingo is a free language learning app that acts more like a game instead of a classroom setting. You can choose from Spanish, French, German, among many others to learn while having fun. The Wall Street Journal called it, "far and away the best free language-learning app." Download now: Free [Photo via @anni_eauclaire]
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