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.

Bilingua - Bilingua: your language exchange app & learning companion.

Mondly - Learn 33 languages in 500 bite-size lessons and 14 conversational modules.

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 .

LingQ - Learn languages by immersing yourself in a world of interesting, authentic content!

Tatoeba - At its core, Tatoeba is a large database of example sentences translated into several languages.