Wikipedia
Lingvist
Lingvist is an adaptive language-learning platform, available in an international public free beta version since 2014.
, Lingvist offers French learning modules for Estonian and English speakers, and English learning modules for Estonian, Russian, German and French speakers. During the summer of 2016, both Russian and Spanish should become available for English speakers, with German and Portuguese following in the fall.
Lingvist is available on the Web, as well as on iOS and Android devices.