React Native is an open-source JavaScript framework based on React, designed for building apps on multiple platforms like iOS, Android, and also web applications, utilizing the very same code base. It brings all its glory to mobile app development.
Node JS is a platform built on Chrome's JavaScript runtime for easily building fast and scalable network applications.
ASP.NET is an open source web framework, created by Microsoft, for building modern web apps and services with .NET
Express is a minimal and flexible Node.js web application framework that provides a robust set of features for web and mobile applications.