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: Mnemosyne is a free, open-source spaced repetition flashcard program. It helps users memorize information more efficiently by scheduling flashcard review sessions based on how well a user remembers a particular item.
Type: software
Pricing: Open Source