JavaScript Libraries Usage Statistics and Market Share in São Tomé and Príncipe (.st)

We are tracking usage statistics and market share for 62 web technologies in the JavaScript Libraries market in São Tomé and Príncipe (.st). As of July 2026, the most popular web technology in JavaScript Libraries in São Tomé and Príncipe (.st) is jQuery, with 41% market share. In second place is jQuery Migrate, with 13%. After that, Modernizr holds 8%, followed by jQuery UI with 5% and core-js with 5%. Top 5 web technologies together account for 72% of the market. The remaining 57 web technologies in JavaScript Libraries collectively have a 28% market share. Global JavaScript Libraries market share report is available here.

Last updated: 5 July 2026

JavaScript Libraries Market Share in São Tomé and Príncipe (.st) in July 2026

About JavaScript Libraries

A JavaScript library is a library of pre-written JavaScript which allows for easier development of JavaScript-based applications, especially for AJAX and other web-centric technologies.

We are tracking 62 different technologies in JavaScript Libraries.

There are 3,319 websites using JavaScript Libraries in São Tomé and Príncipe (.st websites) in out database.

JavaScript Libraries Usage Statistics and Market Share in São Tomé and Príncipe (.st) in July 2026

#1 jQuery 40.86%

jQuery is a JavaScript library designed to simplify HTML DOM tree traversal and manipulation, as well as event handling, CSS animation, and Ajax. It is free, open-source software using the permissive MIT License.

#2 jQuery Migrate 13.41%

jQuery Migrate is a javascript library that allows you to preserve the compatibility of your jQuery code developed for versions of jQuery older than 1.9. It basically restores deprecated features and behaviours so that older code will still run properly on the current jQuery version and later.

#3 Modernizr 7.59%

Modernizr is a JavaScript library which is designed to detect HTML5 and CSS3 features in various browsers, which lets JavaScript avoid using unimplemented features or use a workaround such as a shim to emulate them. Modernizr aims to provide this feature detection in a complete and standardized manner.

#4 jQuery UI 6.81%

jQuery UI is a collection of GUI widgets, animated visual effects, and themes implemented with jQuery, Cascading Style Sheets, and HTML.

#5 core-js 5.27%

core-js is a library that provides the most polyfills for missing JavaScript built-in methods and ECMAScript features across different environments, making it easier to write modern JavaScript code that works in older browsers and environments. It offers comprehensive coverage of the ECMAScript specification, helping to bridge the gap between browser support and the latest JavaScript features.

#6 OWL Carousel 2.95%

OWL Carousel is a touch enabled jQuery plugin that lets you create a responsive carousel slider.

#7 Lodash 1.75%

Lodash is a JavaScript library which provides utility functions for common programming tasks using the functional programming paradigm.

#8 Isotope 1.69%

Isotope is a powerful JavaScript library that helps you create visually appealing and interactive grid layouts for your web projects. It allows you to easily organize, filter, and animate a collection of DOM elements in a responsive and dynamic manner. Isotope makes it easy to build engaging and user-friendly grid-based designs with just a few lines of code.

#9 Lightbox 1.66%

Lightbox is a JavaScript library that displays images and videos by filling the screen, and dimming out the rest of the web page.

#10 Underscore.js 1.66%

Underscore.js is a JavaScript library which provides utility functions for common programming tasks. It is comparable to features provided by Prototype.js and the Ruby language, but opts for a functional programming design instead of extending object prototypes.

#11 FancyBox 1.57%

FancyBox is a tool for displaying images, html content and multi-media in a Mac-style "lightbox" that floats overtop of web page.

#12 LazySizes 1.57%

LazySizes is a lightweight JavaScript library that optimizes images and videos by lazy loading them, ensuring they only load when needed, thus improving the page load speed and performance. It supports a wide range of image formats and responsive images, and is highly customizable.

#13 Moment.js 1.33%

Moment.js is a free and open source JavaScript library that removes the need to use the native JavaScript Date object directly.

#14 Select2 1.24%

Select2 is a jQuery based replacement for select boxes. It supports searching, remote data sets, and pagination (infinite scrolling) of results.

#15 Hammer.js 1.11%

Hammer.js is a small, standalone javascript-library that enables multitouch gestures like swipe, pinch, rotate, tap and drag on mobile devices.

#16 prettyPhoto 1.02%

prettyPhoto is a jQuery lightbox clone with support for images, videos, flash, YouTube, iframes and ajax.

#17 Boomerang 0.90%

Boomerang is a JavaScript library that measures website performance by recording load times from the user's perspective. It provides insights into how quickly a webpage loads and helps identify areas for optimization. Boomerang is designed to be lightweight and can be used to track various metrics like page load time, initial paint time, and time to interactive.

#18 YUI 0.87%

YUI is a free, open source JavaScript and CSS library for building richly interactive web applications.

#19 Slick 0.75%

Slick is a jQuery plugin for creating responsive and mobile-friendly carousels (sliders).

#20 Flickity 0.57%

Flickity is a JavaScript library that enables easy and customizable image slideshow functionality on websites. It provides smooth transitions and responsive design for an engaging user experience. Flickity also supports various layout options and can handle images of different sizes and orientations. It's a popular choice for building sleek, modern slideshow galleries.

#21 AOS 0.57%

AOS (Animate on Scroll) is a lightweight JavaScript library that animates HTML elements as they come into the viewport, enhancing user experience with smooth and responsive visual effects. It simplifies the process of creating engaging scroll-based animations.

#22 lit-html 0.42%

lit-html is a lightweight, high-performance templating library for modern web applications that allows for efficient, two-way data binding and server-side rendering. It enables developers to write clean and reusable templates using HTML-like syntax and provides utilities for managing component state and lifecycle. Lit-html focuses on performance and flexibility, making it suitable for large-scale applications.

#23 Lozad.js 0.36%

Lozad.js is a lightweight JavaScript library that efficiently loads images on-demand as they enter the viewport, enhancing page performance by deferring the loading of images until they are needed. It supports custom threshold settings and is easy to integrate into existing projects.

#24 lit-element 0.33%

lit-element is a lightweight, customizable web component framework that enables developers to create reusable UI elements using modern JavaScript and HTML. It focuses on performance, simplicity, and customizability, allowing for the creation of highly interactive and dynamic user interfaces. lit-element is part of the Lit.dev suite of libraries for building web applications.

#25 DataTables 0.30%

DataTables is a jQuery plugin that transforms a standard HTML table into a highly interactive, dynamic, and customizable table with features such as filtering, sorting, pagination, and responsive design. It simplifies the process of managing and displaying large amounts of data on web pages.

#26 Highlight.js 0.30%

Highlight.js is a JavaScript library that automatically detects the programming or markup language used in a text and highlights the syntax using CSS. It's commonly used to display code snippets in a readable and visually appealing manner on websites. It works by scanning the text, identifying the language, and applying appropriate styles to the code blocks. Highlight.

#27 Zepto 0.24%

Zepto is a minimalist JavaScript library for modern browsers with a largely jQuery-compatible API.

#28 Fingerprintjs 0.24%

Fingerprintjs is a JavaScript library that generates a unique identifier for a user's browser and device, which can be used for website tracking and user profiling. The library leverages various browser features and device characteristics to create a fingerprint that is difficult to alter, providing a more accurate and consistent user identification compared to traditional cookies.

#29 SweetAlert2 0.24%

SweetAlert2 is a Javascript library that acts as a replacement for alert() function, which allows the use of beautiful modal windows.

#30 Axios 0.24%

Axios is a popular JavaScript library for making HTTP requests. It is known for its simplicity and flexibility, allowing developers to easily send AJAX requests, handle responses, and manage request cancellation. It works well with modern web applications and is compatible with both Node.js and the browser.

#31 Swiper 0.18%

Swiper is a highly customizable and responsive JavaScript library for creating touch-enabled sliders and carousels. It offers a wide range of built-in features and animations to enhance user experience. Swiper supports various devices and browsers, making it a versatile choice for web developers. It also provides a simple API and seamless integration with other frameworks and plugins.

#32 script.aculo.us 0.15%

script.aculo.us is a set of JavaScript libraries that provides easy-to-use, cross-browser effects and animations for web developers. It simplifies the process of adding dynamic interactivity to web pages. The libraries include features like Ajax, drag-and-drop functionality, and various visual effects. The goal is to make web development more efficient and engaging by providing pre-built, customizable components.

#33 scrollreveal 0.15%

scrollreveal is a JavaScript library that animates HTML elements as they come into the viewport, making your web pages more engaging and interactive. It simplifies the process of adding smooth, revealing effects to your content without the need for complex coding.

#34 MobX 0.12%

MobX is a powerful and lightweight library for managing state in JavaScript applications, offering a reactive programming approach with observable values, actions, and reactions. It enables efficient state management and easy handling of side effects.

#35 Day.js 0.12%

Day.js is a lightweight, easy-to-use JavaScript library for parsing, validating, manipulating, and formatting dates. It is designed to be simple and performant, with a small footprint and a syntax similar to Moment.js. Day.js does not rely on any external dependencies and is compatible with both modern and legacy browsers.

#36 Polyfill 0.12%

Polyfill is a service which accepts a request for a set of browser features and returns only the polyfills that are needed by the requesting browser.

#37 Framer Motion 0.09%

Framer Motion is a powerful, easy-to-use JavaScript library for creating smooth animations and transitions in web applications, built on top of React and React Spring. It simplifies the process of adding visually appealing motion to user interfaces with a minimalistic API.

#38 Snap.svg 0.09%

Snap.svg is a JavaScript library for drawing vector graphics and manipulating SVG elements. It simplifies the process of creating, animating, and manipulating SVG graphics, making it easier for developers to work with scalable vector graphics in web applications. It is lightweight, fast, and has a clean API. It allows for easy integration with other JavaScript frameworks and libraries.

#39 Tippy.js 0.09%

Tippy.js is a lightweight, customizable tooltip and popover library for JavaScript, providing a simple API for easily adding interactive tooltips and popovers to web pages. It is widely used for enhancing user interfaces with dynamic, responsive, and accessible hover and click interactions. The library supports a variety of customization options, themes, and integration with popular front-end frameworks. Tippy.

#40 Clipboard.js 0.09%

Clipboard.js 1.0 is a lightweight, easy-to-use library for copying text to the clipboard with a click or keyboard shortcut. It works across all modern browsers and supports both mouse and keyboard events. Clipboard.js is designed to be unobtrusive and has a small footprint, making it an ideal choice for developers looking to add clipboard functionality to their websites without adding extra complexity.

#41 Marked 0.06%

Marked is a fast and popular Markdown parser and compiler for generating HTML from Markdown text in the browser or Node.js environment. **Marked is a fast, popular Markdown parser and compiler that generates HTML from Markdown text, supporting both browser and Node.js environments.

#42 Dojo 0.06%

Dojo 2.0 is a modular, lightweight JavaScript library that offers a rich set of user interface components, data processing utilities, and a powerful build tool for creating complex web applications with enhanced performance and accessibility. To make it sound more appealing, add a brief mention of its vibrant community and active ecosystem. Dojo 2.

#43 Dropzone 0.06%

Dropzone is a JavaScript library that allows users to easily add drag and drop file uploading functionality to their web applications. It simplifies the process of handling file uploads and provides a user-friendly interface for file selection and uploading. It supports multiple file selection, progress tracking, and custom styling. It is lightweight and can be easily integrated into existing web projects.

#44 Loadable-Components 0.06%

Loadable-Components is a JavaScript library that allows developers to asynchronously load React components and their dependencies, enhancing performance and enabling lazy loading for a better user experience. It simplifies the process of splitting code and assets, making it easier to manage and optimize component loading in large applications.

#45 libphonenumber 0.06%

libphonenumber is a library that helps validate, format, and parse phone numbers in various countries, making it easy to work with international phone numbers in JavaScript. It's maintained by Google and provides a comprehensive set of features for handling phone number validation and formatting.

#46 Slimbox 2 0.06%

Slimbox 2 is a lightweight, customizable lightbox image gallery solution for web developers. It allows users to easily display images in a modal dialog, enhancing user experience on websites. Slimbox 2 is known for its minimal footprint and flexibility, making it a popular choice among web designers and developers.

#47 SoundManager 0.06%

SoundManager 2 is a JavaScript library that enables cross-browser audio playback on web pages. It supports various audio formats and provides a simple API for controlling playback, seeking, and managing audio queues. The library also includes features for handling audio events and customizing the audio player interface.

#48 Essential JS 2 0.06%

Essential JS 2 is a comprehensive JavaScript framework for building modern web applications, offering a suite of UI controls and tools for efficient development. It includes responsive, customizable components and supports Angular, React, Vue, and other popular frameworks. Essential JS 2 aims to simplify the creation of interactive and engaging user interfaces.

#49 web-vitals 0.06%

web-vitals is a set of JavaScript libraries provided by Google Chrome to help developers measure and improve the performance, interactivity, and visual experience of web pages. It includes functions to calculate and categorize key performance metrics like Largest Contentful Paint, First Input Delay, and Cumulative Layout Shift.

#50 HeadJS 0.06%

HeadJS is a lightweight JavaScript file loader that allows for asynchronous loading of JavaScript libraries and resources, improving page performance and reducing load times. It helps in efficiently managing and loading multiple scripts in parallel, enhancing the overall user experience. It works well with modern web applications and frameworks.

#51 Moment Timezone 0.03%

Moment Timezone is a JavaScript library that extends the Moment.js library to handle timezone conversions and formatting. It allows you to easily work with dates and times in different time zones, including displaying, parsing, and manipulating dates. This makes it an essential tool for applications that need to deal with users in multiple time zones or require timezone-aware date handling. It enhances Moment.

#52 metisMenu 0.03%

metisMenu is a lightweight, easy-to-use JavaScript plugin that transforms HTML unordered lists into responsive, multi-level dropdown menus, enhancing navigation and usability on web pages. It is particularly useful for organizing complex websites with numerous menu options.

#53 XRegExp 0.03%

XRegExp is a JavaScript library that extends the native RegExp object with additional features, allowing for more complex and flexible regular expression usage in web development. It provides enhanced support for cross-browser compatibility and additional methods for working with regular expressions. The library is designed to make regular expressions easier to use and more powerful for developers.

#54 ScrollMagic 0.03%

ScrollMagic is a JavaScript library that allows you to create complex scroll animations and interactions on web pages using simple and intuitive coding techniques. It enables developers to manipulate the visual elements on a webpage as the user scrolls, providing an engaging and interactive experience. It is built on top of the popular greensock animation library (GSAP) for smooth and powerful animations.

#55 Skrollr 0.03%

Skrollr is a JavaScript library that makes it easy to create smooth scrolling animations on websites. It allows developers to animate CSS properties based on the scroll position of the user, adding a dynamic and engaging visual experience to web pages. Skrollr simplifies the process of creating parallax scrolling effects and other scroll-based animations.

#56 Slimbox 0.03%

Slimbox 2 is a lightweight and easy-to-use lightbox script that allows you to display images and inline content in a modal dialog. It is designed for quick integration and provides a simple interface for managing image galleries and content. It supports various image formats and offers customization options for styling and functionality.

#57 SweetAlert 0.03%

SweetAlert is a Javascript library that acts as a replacement for alert() function, which allows the use of beautiful modal windows.

#58 Paraglide JS 0.03%

Paraglide JS is a lightweight, high-performance library for building interactive user interfaces in JavaScript, designed to enhance web applications with smooth animations and responsive design. It simplifies the process of creating dynamic and engaging user experiences.

#59 Pinia 0.03%

Pinia is a state management library for Vue.js applications, designed to be simple, intuitive, and powerful for managing application state. It offers a more modern and flexible approach to state management compared to Vuex, with a focus on ease of use and reactivity.

#60 Prefix-Free 0.03%

Prefix-Free is a tool designed to help web developers eliminate the need for CSS vendor prefixes by automatically adding the necessary prefixes for different browser vendors and versions, ensuring that their styles are applied correctly across multiple browsers. This tool simplifies the process of maintaining CSS code and enhances cross-browser compatibility.

#61 PubSubJS 0.03%

PubSubJS is a lightweight library for implementing publish/subscribe messaging in JavaScript applications. It allows for easy communication between different parts of a program or across different scripts, enabling asynchronous event handling and decoupled code structures. The library provides a simple API for publishers to emit events and subscribers to listen for them.

#62 crypto-js 0.03%

crypto-js is a JavaScript library that provides cryptographic algorithms and functions for securing data in web applications. It includes a wide range of algorithms such as AES, MD5, SHA-256, and more, and is designed to be easy to use and integrate into web projects. It is also highly compatible and works well across different browsers and platforms.