10 Node.js Framework to be used in 2021

Node.js is a free and open-source server environment that runs on various platforms. In Node.js, .js is the standard extension for JavaScript code. It is accelerated by the Linux Foundation's Collaborative Projects program. Node.js is supported on Linux, macOS, Microsoft Windows and more. Its applications are event-driven and run non-parallelly. 

It enables the development of fast web servers in JavaScript. Creating scalable server is easier without threading in Node.js. There are numerous open-source libraries for Node.js, most of them are hosted on the npm (Node Package Manager- It is a package manager for the JavaScript programming language) website. With the aid of Node.js, it's easy for web applications to have a real-time, two-way connection where the exchange of data is easy for both the client and server. 


Series of Node.js Frameworks used in 2021 

1. Express.js 
   Express.js is fast, robust and asynchronous Model-View-Controller framework for Node.js. It helps to direct server and routes. It helps to design various web applications and based on passing arguments to templates. It allows to dynamically render HTML Pages. We use Express.js because of its fast-track and high-speed I/O, nonparallel and single-threaded nature, MVC like structure and its Robust API that makes routing easy. Some of the popular frameworks are built on Express.js additionally.
2. Nest.js 
   Nest.js is an adaptable and versatile REST API framework for building efficient and scalable Node.js server-side applications. It is shaped with TypeScript that helps to maintain compatibility with pure JavaScript and integrates modules of Object-Oriented Programming, Functional Programming, and Functional Reactive Programming.
3. Sails.js 
   Sails.js is a favored Node.js framework that is built on top of Express.js and a real-time Model-View-Controller(MVC) framework for Node.js. Sails are alike to Ruby on Rails. It enables developers to rapidly assemble REST APIs, single-page apps and many more. Sails.js is a flawless JavaScript solution that underpins varied front-end technologies and multiple databases concurrently.
4. Hapi.js 
   Hapi is an open-source, stable and constant Model-View-Controller MVC framework for structuring web applications and services. Hapi.js provides an effortless structuring of API (application programming interface) servers, websites, and HTTP(Hypertext Transfer Protocol) proxy applications. Because of its robust plugin system. It enables you to add new features and fix bugs at a swift pace. Hapi.js provides you with the features of routing, input, output validation, and caching that assists in structuring REST APIs. It's easy to build an API that serves clients' needs for mobile and single-page applications.
5. Loopback.io 
   LoopBack is a profoundly-extensible Node.js framework that facilitates developers to easily set up models and build powerful end-to-end REST APIs in a matter of no time that involves minimal coding. It promotes secure authentication and permission settings and also appears with model relation maintenance, add-on segments, numerous backend data stores, and Ad-hoc queries.
6. Feathers.js 
   Feathers.js is a simplistic real-time framework mounted on the top of Express.js for writing advanced web applications. It effortlessly combines with any client-side framework. With the help of Feathers framework, you will discover and acquire all the modern coding protocols by default. It has a fully customizable feature that allows Building robust lightweight web applications real quick. As a result of the external plugin, it enables you to execute SMS, authentications, and email messaging.
7. Adonis.js 
   Adonis.JS is a Node.js Model-View-Controller(MVC) framework that offers a steady ecosystem to compose web servers so that you can direct on business needs overachieving which package to choose from. It is primarily a clone of the modern PHP-based Laravel framework.
8. MEAN.io 
   MEAN.js is a combination of open source technologies that implement an end-to-end framework for developing dynamic web applications from the ground up. It is an added Node.js framework mounted on the top of Express. It helps you create secure, robust, and maintainable production web applications using MongoDB, Express, AngularJS, and Node.js.
9. Strapi.io 
   Strapi.io is the most advanced Node.js content management framework. It comprises an extraordinary set of features including an admin panel, robust CLI, agile, stable and valuable plugins. It combines the front-end framework of the users choice, mobile apps and also IoT (Internet-of-Things).
10. Koa.JS 
    Koa.js is a Powerful HTTP middleware framework for node.js to create web applications and APIs more fun to draft. Its middleware stack runs in a stack-like method, enabling you to implement downstream then refine and manage the response upstream. This incorporates elements like content negotiation, normalization of node discrepancies, redirection, and more.

Discover what is Node.js best used for and comprehensive analysis of its robustness and fragility. 

Advantages:  

• It's easy to build backend and front end with a single scripting language.
• It's easy to process thousands of synchronous requests with Node.js. Data flow is faster with less RAM consumption.
• Get Ready-to-use tools for building Node applications.

Disadvantages: 

• It's not preferred When it comes to CPU-intensive tasks.
• Callback - This trouble can influence the nature of your JS code and provoke other declines such as development slowdowns and cost intensifies.