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: Userfeel is a user research and usability testing platform that allows you to get feedback on your website, app, or prototype from real users. It provides an easy way to recruit test participants, conduct moderated or unmoderated tests, analyze feedback, and uncover usability issues.
Type: software