How these technologies can help users and make a product successful

    How these technologies can help users and make a product successful ?

Use-Cases/Design Flow (Visual Paradigm, mockups io, balsamiq mockups)

•    Git with either GitHub or GitLab

•    REST Api (assuming you won't be using SOAP or GraphQL)

•    oAuth

•    JavaScript (angular vs react)

•    A responsive frontend framework (Bootstrap, Material Design, etc)

•    Swift (if we are doing iOS)

•    REST Api in Java, Spring/Hibernate, and Test Frameworks

•    Some Ops stuff, Apache/Nginx, SSL Certs (Let's Encrypt), AWS/Google

•    Cloud/Heroku, Linux, ssh, Build Tools (such as Jenkins & WebPack)

please answer this question in very short paragraph