Node.js uses an event-driven, non-blocking I/O model that makes it lightweight and efficient, perfect for data-intensive real-time applications that run across distributed devices.
Django is a high-level Python Web framework that encourages rapid development and clean, pragmatic design.
.NET is a developer platform made up of tools, programming languages, and libraries for building many different types of applications.
It is a web application framework with expressive, elegant syntax. It attempts to take the pain out of development by easing common tasks used in the majority of web projects, such as authentication, routing, sessions, and caching.
Android provides a rich application framework that allows you to build innovative apps and games for mobile devices in a Java language environment.