github.com/nestjs/nest ↗

About nestjs/nest

Nest is a progressive Node.js framework designed for building efficient, scalable, and enterprise-grade server-side applications using TypeScript or JavaScript. It combines Object-Oriented Programming, Functional Programming, and Functional Reactive Programming paradigms to provide a comprehensive development experience. The framework is built on Express by default but maintains compatibility with other libraries like Fastify, giving developers flexibility in choosing underlying HTTP platforms and accessing a wide ecosystem of third-party plugins.

The framework addresses a fundamental gap in Node.js server-side development by providing a well-structured application architecture out of the box. Inspired by Angular's architectural patterns, Nest aims to make it straightforward to create testable, scalable, loosely coupled, and maintainable applications. This architectural focus distinguishes it from many other Node.js libraries and tools, which often lack comprehensive structural guidance for building complex applications.

Nest serves a broad audience ranging from individual developers to enterprise teams, with support options including an official Discord community, comprehensive documentation, and paid consulting services. The project is MIT-licensed and actively maintained, with backing from multiple sponsors and contributors. It's particularly suited for developers who value architectural patterns, TypeScript support, and scalable project organization when building backend applications.