Description: Duolingo is a free language-learning platform that offers over 100 total courses across more than 30 languages. The bite-sized lessons make it easy to learn a new language through fun, quick activities on your phone, tablet, or computer.
Type: software
Pricing: Freemium
Description: Tatoeba is a free, online database of example sentences and translations in over 300 languages. It allows users to find usage examples for words and phrases, see how sentences are translated between languages, and contribute their own translations.
Type: software