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.
Drops - Visual language learning.
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.
Vocabulary Miner - Flashcard app with offline learning, spaced repetition, no ads, export & import, statistics...
Lingvist - Lingvist helps you take your foreign language skills to the next level with a broad selection of exercises and lessons.
Lingualia - Learn Languages Online. Lingualia is a revolutionary new way to learn languages which learns from you and adapts the course to your needs. Discover a personalised language learning experience.