1 fullpage.js

fullPage is an open-source library that allow you to Create fullscreen pages fast and full-screen scrolling websites that makes your website more responsive

It's easy to use and has many options to customize, so it's no surprise it is used by thousands of developers and has over 30k stars on GitHub.

2 Anime.js

Anime.js is one of the best. It’s easy to use, has a small and simple API,and offers everything you could want from a modern animation engine. The library has a small file size and supports all modern browsers, including IE/Edge 11+.


It works with CSS properties, SVG, DOM attributes and JavaScript Objects.

D3.js

D3.js is a JavaScript library for manipulating documents based on data. D3 helps you bring data to life using HTML, SVG, and CSS. D3’s emphasis on web standards gives you the full capabilities of modern browsers without tying yourself to a proprietary framework, combining powerful visualization components and a data-driven approach to DOM manipulation.

Bideo.js

Bideo.js allow you to add full-screen videos into your site’s background page.
Easy to implement using CSS/HTML/JavaScript
Algolia Places

Algolia Places is a JavaScript library that provides an easy and distributed way of using address auto-completion on your site. It’s a blazingly fast and wonderfully accurate tool that can help increase your site user experience. Algolia Places leverages the impressive open-source database of OpenStreetMap to cover worldwide places.

For example, you can use it to boost your product page conversions.

Leaflet

Leaflet is one of the best JavaScript libraries that you can use to include interactive maps into your site. It is open-source and mobile-friendly, weighing around 39kb. The MapPress Maps for WordPress plugin uses Leaflet to power its interactive maps.

Moment.js

Moment.js helps you manage time and date effectively when working with different time zones, API calls, local languages, etc.

You can streamline dates and times by validating, parsing, formatting, or manipulating them.