expressjs.com/
Express.js
Express.js is free. A minimal Node.js framework for building web servers and APIs.
What is Express.js?
Express.js is free. Express handles routing and middleware on top of Node.js and leaves the rest to you. Express 5 is the current version and needs Node.js 18 or newer.
Express.js is a tool in the Frameworks category of a tech stack.
Level
Key Features
RoutingMiddlewareWorks with any database
Express.js Pros & Cons
Pros of Express.js
Small and quick to learn
Tutorials and middleware for almost everything
No lock-in on database or frontend
Cons of Express.js
You wire up validation, auth, and folder structure yourself
Slower than newer Node frameworks like Fastify