NestJS vs Vaadin: What are the differences?
What is NestJS? A progressive Node.js framework for building efficient and scalable server-side applications by @kammysliwiec. Nest is a framework for building efficient, scalable Node.js server-side applications. It uses progressive JavaScript, is built with TypeScript (preserves compatibility with pure JavaScript) and combines elements of OOP (Object Oriented Programming), FP (Functional Programming), and FRP (Functional Reactive Programming)
Under the hood, Nest makes use of Express, but also, provides compatibility with a wide range of other libraries, like e.g. Fastify, allowing for easy use of the myriad third-party plugins which are available..
What is Vaadin? Components and tools for building web apps in Java. It is the fastest way to build web applications in Java. It automates the communication between your server and the browser and gives you a high-level component API for all Vaadin components.
NestJS and Vaadin can be categorized as "Frameworks (Full Stack)" tools.
NestJS is an open source tool with 17.5K GitHub stars and 1.22K GitHub forks. Here's a link to NestJS's open source repository on GitHub.
Sofit Software, Quero Education, and YABAWT are some of the popular companies that use NestJS, whereas Vaadin is used by Graphai, Generali Hellas, and ITscope GmbH. NestJS has a broader approval, being mentioned in 12 company stacks & 13 developers stacks; compared to Vaadin, which is listed in 3 company stacks and 3 developer stacks.