Duolingo - Best Application For Learning New Languages

Duolingo is a free language-learning platform that includes a language-learning app along with a crowdsourced text translation platform, and a language proficiency assessment center. Duolingo is ad-free and users are not charged for its services. The language-learning app offers over 40 different language courses across 23 languages, and is available on the Web, iOS, Android and Windows Phone 8.1 platforms with over 100 million registered users across the world.

Website: https://www.duolingo.com/