io.js vs NestJS: What are the differences?
What is io.js? A friendly fork of Node.js with an open governance model. io.js is a JavaScript platform built on Chrome's V8 runtime. This project began as a fork of Joyent's Node.js and is compatible with the npm ecosystem.
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..
io.js and NestJS can be categorized as "Frameworks (Full Stack)" tools.
"Compatible with NPM" is the top reason why over 6 developers like io.js, while over 7 developers mention "Powerful but super friendly to work with" as the leading cause for choosing NestJS.
NestJS is an open source tool with 17.4K GitHub stars and 1.22K GitHub forks. Here's a link to NestJS's open source repository on GitHub.
According to the StackShare community, NestJS has a broader approval, being mentioned in 12 company stacks & 13 developers stacks; compared to io.js, which is listed in 4 company stacks and 5 developer stacks.