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: Julius is an open-source speech recognition engine software for recognizing speech and converting it to text. It supports large vocabulary continuous speech recognition and is designed for research and development of speech recognition algorithms.
Type: software
Pricing: Open Source