VLC Media Player - VLC is a free and open source cross-platform multimedia player and framework.
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.
AIMP - AIMP : Free Audio Player : Официальный сайт программы
Memrise - Learn a new language with games, humorous chatbots and over 30,000 native speaker videos.
foobar2000 - An advanced freeware audio player for the Windows platform.
Busuu - Join the global language learning community, take language courses to practice reading, writing, listening and speaking and learn a new language. Learn English with busuu's .