What are the different features of Node.js?

The main features of Node.js are: Asynchronous and Event-Driven Architecture, Single-Threaded Working, Highly Scalable, Fast Data Streaming, No Buffering, Cross-Platform Compatibility.

Which big companies use Node JS?

Here are big companies using Node.js: Netflix, Uber, NASA, PayPal, Twitter, Yahoo, eBay, LinkedIn, Trello

Why and When Should You Consider Using Node.js Development