1. Express.js
Express.js is a minimal and flexible Node.js web application framework that provides a robust set of features for web and mobile applications. It is widely used for building APIs and web applications due to its simplicity and scalability.
Key Features:
- Routing: Allows you to define routes for handling different HTTP requests.
- Middleware: Supports middleware functions to handle requests before they reach the route handler.
- Template Engines: Integrates with various template engines like EJS and Pug for rendering dynamic content.
2. Koa.js
Koa.js is a next-generation web framework for Node.js that aims to be smaller, more expressive, and more robust. It leverages async/await functions to streamline the development process and make code more readable.
Key Features:
- Middleware Flow: Utilizes a more modular approach to middleware composition compared to Express.js.
- Context Object: Provides a context object for each request/response cycle, making it easier to manage state.
- Error Handling: Offers built-in error handling capabilities for handling errors in a more structured manner.
3. Nest.js
Nest.js is a progressive Node.js framework for building efficient, reliable, and scalable server-side applications. It is built on top of Express.js and provides a solid architectural foundation for developing enterprise-grade applications.
Key Features:
- Modular Architecture: Allows you to organize your code into modules for better maintainability and scalability.
- Dependency Injection: Supports dependency injection to manage dependencies and improve code reusability.
- GraphQL Integration: Integrates seamlessly with GraphQL for building powerful APIs with a declarative query language.