Top JavaScript UI Frameworks & Libraries 2021

JavaScript is a lightweight, object-oriented programming language. It was developed by Sun Microsystems in 1995. Its “write once, run anywhere” motto is that Java programs can run on all operating systems because of its cross-platform capabilities.

JavaScript has gained much popularity over the years for its applications in browser-based graphical user interfaces. Also, the language is platform-independent, so it can be used on a wide variety of devices and operating systems which is why there are so many frameworks and libraries available for it. 

Java Frameworks And Libraries


Frameworks consist of a library of JavaScript code that is specifically designed to help improve the development process.
Web Development Frameworks are key to faster, more efficient and can help you fix bugs more quickly.
Running code on a computer is one thing, but defining how that code behaves while it’s running is another--what about updating the code without stopping the program?
JavaScript's frameworks help software engineers achieve smooth functionality, more compatibility, and better efficiency in newer software.
There are many to choose from Angular, Polymer, Alloy, Ember.js, backbone.js, etc. These frameworks let business users build modern applications while maintaining a high level of flexibility and scalability.
Here are the Top JavaScript UI Frameworks & Libraries for 2021.


Angular Java framework is a professional-grade front-end, back-end framework for developing Web applications and Web services. 
It allows building pages using standard HTML and extending the prototype to support the DOM, CSS, and AJAX with HTML behaviours.
You can easily create dynamic pages that can integrate with your existing system or database.
It is an open-source JS framework that allows app devs to create user interfaces in a way that works across all devices and browsers.
It features two-way data binding, modular code, dependency injection, and cross-platform compatibility.
Java developers can now use Angular as a Java framework for client-side development.
The IDE is seamless and everything is still being kept in sync, so you’re using a single language.
It’s easy to develop with, and it helps you create more responsive applications.





The Angular platform is a comprehensive, unified solution that empowers developers to build responsive, sophisticated applications with minimal effort and maximum code reuse.
Not only is it scalable, but it is lightning fast on any desktop or mobile device.
It was built to work with any language, backend, frontend framework, technology stack, and device. framework has been developed for creating the best cross-platform mobile apps and is the most popular cross-platform framework for building mobile, web, and desktop apps.
Experienced Java/Web developers can use it to quickly develop applications based on Web technologies.

Progressive Web Apps


These are websites that are just like native mobile applications. They load swiftly and can be added to the home screen of a device using web app launchers.
Angular offers the ease of use of HTML, the performance and interactivity of native apps, and the reach of the entire web.
Experience better engagement/conversion rates from your progressive web apps, plus a smoother and faster experience for your web visitors.

Desktop Installed Apps


Angular is a robust framework allowing for desktop-installed apps. This could be useful in sectors ranging from banking and computer systems to financial services.
The framework's potential applications include big data manipulation and analysis, electronic medical records, predictive analytics, mobile system performance monitoring, and real-time market surveillance.

Code Generation


Angular makes it possible to build rich, complex web UI using declarative templates so there is no more bloated code.
It allows you to quickly build powerful CRUD apps with a single template.

Angular CLI


Angular CLI is a command-line interface that automates the compilation of HTML, CSS, and JavaScript files with a lot of built-in features for scaffolding, linting, testing, bundling, and deployment.



The ARIA-enabled components for Angular help developers make more accessible websites.
It lets the user focus on what they’re reading while flattening out the structure of the page.


React Java framework is one of the most popular frameworks that use JavaScript to create UIs.
It's exceptionally stable and can be scaled to handle large data sets. It’s built and maintained by the team behind React DOM for seamless rendering. It is built with scalability in mind, with APIs for native performance and cross-platform consistency.
It is one of the highest-rated Frameworks for building user interfaces designed for use with the Java Virtual Machine (JVM). This new Java framework allows enterprise programmers to build a hybrid application in 3 ways: browser app, mobile app, and a native desktop app.
The framework is designed to improve the developer experience and allows you to build complex applications on the JVM more quickly and easily.
The React java framework is extensible and customizable for developers using language that’s popular with enterprise companies.



Virtual DOM


The React Java framework is designed to be simpler and easier to use.The “Virtual DOM” allows React to determine if data in the user interface needs to be updated for performance.
React. Js is a JavaScript framework that lets you code using pure JavaScript, and updates the browser’s DOM automatically for you, without requiring any updates from the user.
The Virtual DOM allows JavaScript to render modern web interfaces easily, with better developer experience and faster performance than possible before.
Virtual DOM allows dynamic trees to be created on the fly (by querying server data) and instantiates new nodes with props and states for display.



JSX is a JavaScript XML-like syntax extension used in React.
It makes it possible to use XML syntax within JS which leads to cleaner code, less clutter, and simpler data binding when working with complex React components.

Event Handling 


React framework now supports event handling.
It features a built-in dispatcher library to move the logic for handling and dispatching events into a single place.
With React, you can write event handlers in HTML, JavaScript, and CSS. The event handler has direct access to the view, so it feels more natural.
When using React with Flux, you can dynamically change views based on changes in your data model.

React Native


React Native enables you to build native apps with the same design and functionality that you have in React.
Whilst developing native apps, developers can use the same components and the same design for both Android and iOS. The apps created are indistinguishable from the ones developed in react.
With React Native, you don’t need to re-write your code or even recompile. Just do the same thing you would with web apps, but use react framework to make it happen!


React is composed of several reusable components. These have been designed to work together and can be combined with other libraries or tools to create high-performance, mobile web interfaces.



VEU.js is a fast, lightweight framework built for the web, but designed for node + modern web browsers and mobile.
It offers best-in-class enterprise features like offline storage, content loading backwards compatibility, push notifications, pull to refresh, and more.
It creates native-quality apps. Access the deepest native APIs of the platform of your choice with no external dependencies on plugins or SDKs. Only a single codebase.



Virtual DOM


VUE’s Virtual DOM is built on top of the most powerful modern browser engines. It provides high-performance rendering, low memory usage, and seamless server-side rendering.
The idea behind this is to be completely independent of any particular server-side platform (like PHP, Ruby, Java or whatever) to simplify frontend development and provide a considerable boost in dynamics.
It is an MVV that mixes the best of both worlds—perfect for developers who want to keep it simple, and easy.
It provides an extremely fast runtime and reactive data system with simple Babel tooling and hot module replacement (HMR)

Data Binding


Data binding has become very popular in the last couple of years. Binding allows you to keep your view and the model synchronized without needing a lot of code to manage it or even writing code at all.
The data binding is done automatically and when you update one side, the other is updated as well. VUE.js is one of these libraries that supports data binding on the front-end in a simple way using pure JavaScript with no dependencies.
VUE does not require any other plugins and is supported in all major browsers.
It offers many customizable options by allowing you to choose between two-way and one-way data binding.

HTML Based Templates

The latest version of the VUE.js framework dramatically simplifies creating HTML based templates.
You can specify data attributes and generate content that can be parsed using JavaScript, which allows you to make it dynamic.
It’s easy to change the content, so you can create a lot of pages without having to write new code.
VUE also allows web developers to create dynamically templated pages using HTML5. They can be accessed through a browser without having to download anything.
Since templates can be built to handle billions of records, updating them from remote databases will never be a problem.



In the six years since its initial launch, Ember.js has gained a solid footing on all sides of the Web stack, especially in the world of progressive Web apps and single-page HTML interfaces.
Ember.js is a UI Framework for designing complex, fluid apps that work on any OS, device or platform. It supports both conventional and isomorphic app patterns and even if you don’t have JavaScript experience yourself, it can be enjoyed with little effort by your team.
The library has been around for over 8 years and has steadily gained popularity among production-ready applications. Many tools have been created to facilitate testing. It’s also compatible with new ideas like Web Components.

Data Binding


Ember provides the infrastructure you need to build large apps, including routing, templates, components & data binding.
Ember.js support two-way data binding and hence establishes a reliable platform for handling complicated User Interfaces.

Scalable And Deeply Productive 


It’s a scalable, performant, and robust framework that helps developers execute JavaScript-driven concepts faster than the competition.
Like React and Vue, Ember is deeply productive. It uses “data down, actions up,” which means your route definitions use plain objects with data, and the UI components are given a snapshot of state.

Ember Inspector


Ember Inspector is the most sophisticated debugging tool for Ember.js, which enables you to inspect your running apps and easily navigate between different parts of your app, inspect and edit the DOMs, and control your app through the JavaScript console.
With the Ember Inspector tool, you can remotely inspect any application for JavaScript errors, dependencies of 3rd party frameworks, performance bottlenecks and other errors.



Like React and Vue, Meteor is a JavaScript library. You have complete control over the DOM and can build entire web apps with it.
It's lightweight, customizable, and super easy to use. Meteor JavaScript framework, focuses on declarative design patterns and reactive programming model.
Features include automatic code compilation based on changes to data models, custom UI components, on-the-fly rendering of code and view objects.
It can be used in many web application use cases such as e-commerce sites, content-heavy blogs, and business dashboards.


The Meteor Java framework is a full-stack solution that comes with the latest database, web server, and application server.
It has an in-memory database that can be queried using SQL and uses asynchronous page rendering, instead of relying on client-side JavaScript execution for instant results to user’s click.

Meteor Galaxy


Meteor Galaxy, a simple platform for hosting Meteor apps. It removes the need to maintain the app on your servers. It makes it easier to scale and deploy applications.

Isomorphic Development

To create a highly interactive website, you need to use server-side scripting. With a lot of JS frameworks, this is quite easy, but the key problem is that you have to support both client-side and server-side for every change.
Serving the same content or application to every device with different operating systems and form factors can be troublesome. Isomorphism is a solution to that.
Isomorphism is a concept of web development in which your website is written in the same language no matter the platform (e.g., server, desktop, mobile).
The Meteor Java framework makes it easy to serve your application code to any device without changing any code. Your visitors will automatically get an experience that's best for them.
You just have to write the code once and then deploy it anywhere.

Bottom Line


Java language-based web applications have been comprehensively developed for a long time, and it has become an established solution for creating intricately and visually rich online experiences. One of the most important parts of any website is the user interface because this is basically how you interact with your website. Many frameworks are useful for creating interactive web interfaces. This article has shared some of the essential JAVA-based frameworks and their characteristics. Such tools can undoubtedly assist you in interacting with numerous key elements in your business operations for better customer satisfaction.
Soft Tech Group has a team pool of professionals with hands-on experience with different technology stack delivering solutions as per the business needs. Please feel free to Contact us for any kind of software and application development and integration work.
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