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: WordWeb is an international English dictionary and thesaurus that can look up words in almost any program. It includes definitions, synonyms, antonyms and related words.
Type: software