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: Wiktionary is a free, collaborative, multilingual dictionary project operated by the Wikimedia Foundation. It aims to describe all words of all languages using definitions, etymologies, pronunciations, synonyms, and more.
Type: software