Duolingo – a software for a comfortable learning of foreign languages and speaking skills development. The software enables to learn many different languages including English, Spanish, French, German, Portuguese, Italian and more. Duolingo includes various modes of learning which enable to learn the language at the beginner level and enlarge your vocabulary or knowledge of grammar. The development of languages in the software is constructed in a game manner that makes learning interesting and productive. Duolingo also allows you to customize the learning process and the number of daily tasks.