Wondering which JavaScript Backend-Framework to learn or use in your application.

This guide features 4 popular JS frameworks that you will want to use.

1. Express.js: Good for RESTful API servers. Support for I/O request handling Easy to configure and scale your application.

2. Socket.io : Good for Chat application development. Auto-connection and disconnection detection. Arbitrary channel support.

3. Fastify: Encapsulated plugins, decorators and hooks that facilitate code re-usability. Support for TypeScript.

4. Nest.js: Powered by TypeScript. Easy to build robust and scalable apps. Architecture supports code modularity, testability and maintainability.

Now you got an idea of what each of the four frameworks can do.