A progressive Node.js framework for building efficient, scalable, and enterprise-grade server-side applications with TypeScript/JavaScript.
What is NestJS?
A progressive Node.js framework for building efficient, scalable, and enterprise-grade server-side applications with TypeScript/JavaScript.
SubcategoryBackend Web Framework
Version11.2.3
PriceFree
What is NestJS?
Introduction to NestJS — what it does and who it is for.
What do you need to run NestJS?
System requirements, OS support, and hardware needs for NestJS.
NestJS requires Node.js version 20 or higher to run; as a server-side framework rather than installed software, no separate memory, storage, or processor requirements are published.
| Operating system | Linux (any OS supporting Node.js)macOSWindows |
|---|---|
| Devices | Server |
Programming languages
- ✓JavaScript
- ✓TypeScript
How much does NestJS cost?
Pricing plans, license type, and availability for NestJS.
NestJS is free and open source under the MIT license, with no cost to use (0 USD); a separate Enterprise consulting/support offering exists but is quote-based with no published pricing tiers.
| Price summary | Free (Open Source) |
|---|---|
| License details | MIT License, as published in the LICENSE file of the nestjs/nest GitHub repository. |
| Availability | Available |
What is NestJS used for?
Key features, use cases, and capabilities of NestJS.
NestJS offers a modular, TypeScript-first architecture with built-in dependency injection and decorators, native support for REST, GraphQL, WebSockets, and microservices, plus CLI tooling and testing utilities.
Key features
- ✓Modular architecture with built-in Dependency Injection
- ✓TypeScript-first design
- ✓Decorator-based syntax
- ✓Built-in support for REST, GraphQL, and WebSockets
- ✓Native microservices support (RabbitMQ, Kafka, gRPC, etc.)
- ✓CLI tooling for project scaffolding
- ✓Testing utilities out of the box
- ✓Runs on top of Express or Fastify
Use cases
- ✓Building scalable REST and GraphQL APIs, enterprise backend systems, microservices architectures, and real-time applications using WebSockets.
Who should use NestJS?
Target users, industries, and ideal use cases for NestJS.
NestJS is built for backend/Node.js developers and enterprise engineering teams building scalable, enterprise-grade server-side applications.
| Target audience | Backend/Node.js Developers And Enterprise Engineering Teams |
|---|---|
| Integration complexity | Moderate |
How is NestJS deployed?
Deployment options, API, and hosting for NestJS.
NestJS applications are self-hosted on any Node.js-compatible environment, since the framework is open source and has no separate hosted SaaS deployment.
| API integration | ✗ |
|---|---|
| Open source | ✓ |
| Self-hosting | ✓ |
How do you get started with NestJS?
Installation and onboarding steps for NestJS.
Getting started involves installing the NestJS CLI via npm (Node.js 20+ required) and following the official documentation at docs.nestjs.com.
What are the pros and cons of NestJS?
Balanced review of strengths and weaknesses of NestJS.
Based on G2 reviews (4.5/5 from 21 reviews), users highlight NestJS's structured modular architecture, TypeScript support, and dependency injection as strengths, while noting a steep learning curve and boilerplate code as drawbacks.
| Pro | Con |
|---|---|
| +Structured, modular architecture for scalable applications | −Steep learning curve (dependency injection, decorators, MVC patterns) |
| +Built-in TypeScript support that catches errors at compile time | −Excessive boilerplate code, especially for smaller projects |
| +Powerful dependency injection promoting loose coupling and testability | −Opinionated design can feel restrictive |
| +Thorough, well-organized documentation | −TypeScript requirement is demanding for unfamiliar developers |
| +Native microservices support for distributed systems | |
| +Decorator-based syntax for cleaner code |
Where can you learn more about NestJS?
Documentation, support, and official links for NestJS.
Official resources include the documentation site, the GitHub source repository, and a Discord community server with over 50,000 members, alongside an official X/Twitter account.
| Website | Website |
|---|---|
| Documentation | Documentation |
| Source code | Source code |
| Install | Install |
Frequently asked questions
What is NestJS?
NestJS — A progressive Node.js framework for building efficient, scalable, and enterprise-grade server-side applications with TypeScript/JavaScript.
Is NestJS free?
NestJS is free and open source under the MIT license, with no cost to use (0 USD); a separate Enterprise consulting/support offering exists but is quote-based with no published pricing tiers.
What is NestJS used for?
NestJS offers a modular, TypeScript-first architecture with built-in dependency injection and decorators, native support for REST, GraphQL, WebSockets, and microservices, plus CLI tooling and testing utilities.
Where can I get NestJS?
You can get NestJS via the official website, the install page, GitHub and the source repository. See the resources section on this page for direct links.
Who should use NestJS?
NestJS is built for backend/Node.js developers and enterprise engineering teams building scalable, enterprise-grade server-side applications.
What do you need to run NestJS?
NestJS requires Node.js version 20 or higher to run; as a server-side framework rather than installed software, no separate memory, storage, or processor requirements are published.
How do you get started with NestJS?
Getting started involves installing the NestJS CLI via npm (Node.js 20+ required) and following the official documentation at docs.nestjs.com.
How is NestJS deployed?
NestJS applications are self-hosted on any Node.js-compatible environment, since the framework is open source and has no separate hosted SaaS deployment.
Who developed NestJS?
NestJS is developed by Kamil Myśliwiec (creator), maintained by the open-source NestJS core team / Trilon.io.
What are the pros and cons of NestJS?
Based on G2 reviews (4.5/5 from 21 reviews), users highlight NestJS's structured modular architecture, TypeScript support, and dependency injection as strengths, while noting a steep learning curve and boilerplate code as drawbacks.