javascript : Learn! Modern JavaScript for React JS - ES6 : https://www.udemy.com/course/modern-javascript-es6-for-react-js/?Join-@UdemyFree4You&couponCode=EDYODAFREE app development : Step by step guide to be an Android App Developer : https://www.udemy.com/course/a-beginners-guide-to-android-app-development/?Join-@UdemyFree4You&couponCode=EDYODAFREE react js : React JS - A Complete Guide for Frontend Web Development : https://www.udemy.com/course/react-js-a-complete-guide-for-frontend-web-development/?Join-@UdemyFree4You&couponCode=EDYODAFREE python : Python - A Beginners guide towards Python Programming : https://www.udemy.com/course/pythonpro/?Join-@UdemyFree4You&couponCode=VIKASJHA001