What is AdonisJs? AdonisJs is a Node. js MVC framework that runs on all operating systems. It offers a stable eco-system to write a server-side web application so that you can focus on business needs over finalizing which package to choose or not. What is Fastify? Fastify is an open-source Node. js web framework that remains focused on providing excellent developer experience, minimal performance overhead, and a flexible plugin architecture. ... Fastify provides extensibility via hooks, plugins, and decorators. What is NestJS? NestJS is a framework for building efficient and scalable Node. js server-side applications built with and fully supporting TypeScript. It uses robust HTTP Server frameworks like Express or Fastify. ... A good reason to choose NestJS over ExpressJS (one of the most popular Node. AdonisJs is a Node.js web framework with breath of fresh air and drizzle of elegant syntax on top of it. How is AdonisJs different from Express or Koa? Express and Koa are routing libraries with a thin layer of middleware on top of it. There are great for several use cases but falls apart when your project starts growing. Also, it becomes harder to hire someone, since your project has its own standards and conventions. Whereas AdonisJs follows a set of standardized conventions, making it easier to hire people and make them work on existing AdonisJs apps. Is AdonisJs for monolithic apps? No. AdonisJs as a framework is a combination of multiple packages that gracefully integrates with the rest of your app. The framework provides a robust Dependency injection layer, which is leveraged by all official and 3rd party packages to offer functionality without manually wiring up each part of the application.