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.
Babbel - Babbel is a paid language learning service that aims to strike a balance between thoroughness and cost efficiency.
LinguaLeo - The best online service for learning English.
Preply - Large database of experienced English language tutors. Native speakers. Flexible payment system
Rosetta Stone - Rosetta Stone is the world's most popular software for learning languages. It is offered at a cost of just $169 when purchased outright, but it is also possible to purchase language programs in a subscription format that offers ongoing support.
Verbling - The Modern Way to Learn a Language. Language lessons with native 5-star teachers over video chat. Anytime, anywhere.