Node JS Ruby on Rails
Node.js is written in JavaScript. It is a runtime environment framework. Ruby on Rails is written in Ruby. It is a Ruby-based framework.
NodeJS is best for all small-scale projects. You can use it for event-based, I/O, non-blocking applications. RoR is well suited for all database-backed web apps that work in meta-programming and MVC patterns.
The working node js page load is extremely fast as compared to Rails. Node js is best recommended for building faster applications. RoR is quite slower than Node.js. This framework is best for building fast, large-scale, and complex applications.
NodeJS is quite easy to install. All you need to do is install some archive files on the system. Rails require a lot of work. You need to install tons of stuff and generators.
Some companies that use Node.js are LinkedIn, Heap, eBay, Sense, and Medium. Some companies that use Ruby on Rails include Airbnb, GitHub, Dribble, Base camp, Soundcloud, Scribd, Shopify, etc.
NodeJS offers the facility to build web servers independently with the capacity to manage all the HTTP requests. Ruby on Rails must depend on NGINX, Apache, WEBrick, and Cherokee.
Developers can use Node JS for both client-side and server-side purposes. Ruby is a server-side framework.
Excellent market demand. Users of Node.js are rising exponentially. Looking at the current market scenario, Ruby on Rails is less popular than Node.js.
Node.js takes quite more time while deploy the application. This is because developers here must search for the modules followed by certain instructions to integrate them with the app. Compared to Node.js, Ruby on Rails is much faster and lighter. You can perform and execute all your tasks easily. For example, migrating a database will merely take a few commands, and you are done.
The learning curve with Node JS is quite less. It is understandable and easy, and flexible for novices. Learning it does not require any prerequisites with or without any prior background. Speaking of Ruby on Rails learning curve, learning RoR is easy. All you need to do is to understand the basic attributes. This includes classes, objects, Ruby-level methods, etc. Each of these attributes is highly important and takes considerable time to understand.