The programming languages are we used Html,css , JavaScript, three.js and so. We have made prototype to make a conversation in more them 120 languages. Its supports more than 80 languages with (speakable) based on your browser specificatins, The API Where we used for Translator , Weather , Joke ,Loaction ,News , OpenAI , Wikipedia, etc. We have create a do to list for Task reminder, voice calculator and local storage for memory. Experience the future of technology with this multi-functional voice assistant today."