JavaScript Libraries and Tools

Matrix defines a set of open APIs for decentralised communication, suitable for securely publishing, persisting and subscribing to data over a global open federation of servers with no single point of control.

Mattermost is a secure, open source platform for communication, collaboration, and workflow orchestration across tools and teams.

Bootstrap is a open-source collection of tools for creating browser sites and applications. It contains HTML and CSS-based design templates for typography, forms, buttons, charts, navigation and other interface components, as well as optional JavaScript extensions.

Discourse is an open source discussion platform built for the next decade of the Internet. A modern forum, everything's been redesigned to be easy.

jQuery is a fast, small, and feature-rich JavaScript library. It makes things like HTML document traversal and manipulation, event handling, animation, and Ajax much simpler with an easy-to-use API that works across a multitude of browsers.

Weblate is a web based translation tool with tight VCS integration. It features simple and clean user interface, propagation of translations across components, consistency checks and automatic linking to source files.

Keybase is a new and free security app for mobile phones and computers. For the geeks among us: it's open source and powered by public-key cryptography.

EmbedPDF is a framework-agnostic, MIT-licensed PDF viewer that drops into any JavaScript project. Whether you build with React, Vue, Svelte, Preact, or vanilla JS, EmbedPDF delivers a smooth, modern reading experience and a clean developer API.

Vue is a JavaScript framework for building user interfaces. It builds on top of standard HTML, CSS and JavaScript, and provides a declarative and component-based programming model that helps you efficiently develop user interfaces, be it simple or complex.

Ever wanted to simplify documentation and avoid heavy tools like Visio when explaining your code? This is why mermaid was born, a simple markdown-like script language for generating flowcharts, Gantt charts and sequence diagrams from text via JavaScript.

ZeroNet uses cryptography (Bitcoin library) and BitTorrent DHT (centralized trackers) to build a distributed censorship-resistant network.

Reveal.js is a cutting-edge open-source presentation framework that utilizes HTML5, CSS3, and JavaScript. With its dynamic 3D transition effects, cross-browser compatibility, and PDF export function, this non-linear framework is a powerful tool for creating engaging and...

TypeScript is a language for application-scale JavaScript development. It is a typed superset of JavaScript that compiles to plain JavaScript in any browser, any host, any OS and it is Open Source.

Angular is a development platform for building mobile and desktop web applications using TypeScript/JavaScript and other languages.

Incredibly fast JavaScript runtime, bundler, transpiler and package manager – all in one.

Fibbo is a free and open-source web-based game engine that allows you to create interactive experiences using JavaScript, right in your browser.

Deno is the open-source JavaScript runtime for the modern web. Built on web standards with zero-config TypeScript, unmatched security, and a complete built-in toolchain.

Pad editor for source code.personal.

Algolia helps product teams connect their users with information by providing the building blocks they need to create fast, relevant, personalized search.

Leaflet is a modern open-source JavaScript library for mobile-friendly interactive maps. It is developed by Vladimir Agafonkin with a team of dedicated contributors. Weighing just about 28 KB of JS code, it has all the features most developers ever need for online maps.

Selenium is a suite of tools specifically for testing web applications. It provides a playback tool for authoring functional tests across most modern web browsers, without the need to learn a test scripting language (Selenium IDE).

ESLint is an open source JavaScript linting utility originally created by Nicholas C. Zakas in June 2013. Code linting is a type of static analysis that is frequently used to find problematic patterns or code that doesn’t adhere to certain style guidelines.

impress.js is a presentation framework based on the power of CSS3 transforms and transitions in modern browsers and inspired by the idea behind prezi.com - an "infinite canvas" for your presentation.

A front-end tool with instant server start using native ESM, rapid hot module replacement, and universal plugin interface for versatile development.

JSON (JavaScript Object Notation) is a lightweight data-interchange format. It is easy for humans to read and write. It is easy for machines to parse and generate. It is based on a subset of the JavaScript Programming Language, Standard ECMA-262 3rd Edition - December 1999.