1. Algolia

If you want to add forms on your website with autocomplete features, this is the library that you should use. It is accurate and fast. We specifically loved the map feature which allows you to add a map in the address field for searching locations.

2. Wired Elements

Let’s suppose someone asked you to create a page where the elements seem to be hand drawn. To be clear, there should not be any pattern between 2 elements. Wired Elements is the solution to that. This JavaScript \ library enables you to design UI elements and make them look like they have been drawn by hand.

3. Micron.js

This is a library powered by JavaScript and made using CSS animations. The purpose of this library is to enable the users to add interactions to the DOM elements. You can add interesting animation effects on objects by just calling a simple function on a ‘click’ event.

4. Flat-Remix.CSS

Licensed by MIT, this CSS library provides developers a collection of predesigned elements enabling better and faster web development. The elements in the library follow the latest UX trend of sharp borders and high contrasts.

5. React Spring

This JavaScript and CSS library offers a set of physics-based transitions along with animations to boost developer’s innovation in the process of creating distinctive designs. The built-in JavaScript API provides tools to create complex animations that are impossible to create using CSS only.

6. SimpleBar

If you wish to have custom scrollbars then SimpleBar is an efficient JavaScript library. It is easy to use and very lightweight. Not only does it support vertical and horizontal scrollbars, it also works across all the major browsers without any compatibility issues.

7. Apex Charts

If your aim is to create beautiful, pixel perfect SVG charts, go for this open source JavaScript/CSS library. You will get the option to choose from a wide variety of bar, pie, heatmap, and mixed charts which are customizable and fully responsive.

8. Anime.JS

Animations have always been a key factor in enhancing the user experience of a website. With the use of Flash slowly declining, its time to move on to JavaScript and CSS libraries. Anime.JS is very flexible and allows you to add motion or transform the elements in your application.

9. Embetty

If your aim is to display external media content, like videos or tweets, without disturbing the privacy or your site, Embetty is your solution. By adding tags like embetty-video or embetty-tweet and mentioning the type, you can add your desired media elements.

10. Hybrids

An easy to use JavaScript library, Hybrids uses pure functions and plain objects that enable you to define custom elements. It also supports module replacement and, without refreshing your page, the custom elements will be updated.

11. Animate on Scroll

If you are working on a site that has a parallax scrolling feature, this is a JavaScript library that will allow you to add simple and sweet animations when the user tries to scroll down. Starting from anchor placement to fade effects, you will be able to create a rich user experience that will keep your audience glued to the site.

12. Bideo.JS

Nowadays, many people prefer full-screen videos instead of static images as a background. Bideo.js is a library that enables you to add responsive full-screen videos as your page background with very little coding.

13. Chart.js

This is a useful JavaScript library that allows the user to add unique and well-designed charts to their website. It offers a lot of templates with the ability to utilize the white space and mix them in a well-balanced manner.

14. Cleave.js

Ever wondered how the users of your site will feel if the site’s forms formatted the content. For example, transforming 0204142277 in the phone number field to (020) 414-2277. Cleave.js translates this simple concept into a unique user experience.

15. Smooth UI

This is an open source JavaScript library developed using styled components along with React. It was with the developer in mind and allows you to design beautiful web applications that are fully customizable with available themes.

16. Curtains.js

This lightweight WebGL and JS library is mainly used for animating the media elements on your site. It converts the images and videos of your site into 3D textured planes, which can be animated using shaders. Although easy to use, you will need to have strong knowledge of HTML, CSS, and JavaScript.

17. Math.js

This math library comes with extensive functionalities like an expression parser and also allows the developer to work on units, fractions, matrices, and other critical mathematical functions.

18. X-Chart

This JavaScript library allows the developer to create a data visualization system that is resizable as well as draggable. You can create well-designed charts or also select from the available templates that provide a wide variant of pie, bar, doughnut, and other types of charts.

19. Box-shadows.css

Box-shadows are the latest feature of CSS3 and popular for their cross-browser compatibility. However, when using this library, you can easily add box shadows to the elements used in your website with very little code. What makes it more exciting is that you can also add hover effects that transform the shadows.

20. D3.js

If you love data, you will love this library, which manipulates static content and brings it to life by using CSS, HTML, and SVG effects.

21. Multiple.js

Another solution for creating unique background visuals. You can use this JavaScript library to share background images across your website, thereby creating a unique visual effect.