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: lernu! is a free Esperanto learning website. It provides lessons, exercises, a dictionary, and community features to help people learn Esperanto.
Type: software
Pricing: Free