JavaScript API for Chrome and Firefox

A bundler for javascript and friends. Packs many modules into a few bundled assets. Code Splitting allows for loading parts of the application on demand. Through "loaders", modules can be CommonJs,…

A powerful cross-platform UI toolkit for building native-quality iOS, Android, and Progressive Web Apps with HTML, CSS, and JavaScript.

Meteor, the JavaScript App Platform

Call all Node.js modules directly from DOM/WebWorker and enable a new way of writing applications with all Web technologies.

TypeScript-first schema validation with static type inference

Lerna is a fast, modern build system for managing and publishing multiple JavaScript/TypeScript packages from the same repository.

React Flow | Svelte Flow - Powerful open source libraries for building node-based UIs with React (https://reactflow.dev) or Svelte (https://svelteflow.dev). Ready out-of-the-box and infinitely cust…

React Hooks for Data Fetching

A modern load testing tool, using Go and JavaScript

the last carousel you'll ever need

Give your JS App some Backbone with Models, Views, Collections, and Events

React components for efficiently rendering large lists and tabular data

💾 Offline storage, improved. Wraps IndexedDB, WebSQL, or localStorage using a simple but powerful API.

Build full-stack apps on your own infrastructure.

p5.js is a client-side JS platform that empowers artists, designers, students, and anyone to learn to code and express themselves creatively on the web. It is based on the core principles of Proces…

Lit is a simple library for building fast, lightweight web components.

Create graphics with a hand-drawn, sketchy, appearance

From the team behind Gatsby, Mastra is a framework for building AI-powered applications and agents with a modern TypeScript stack.

Tracking ECMAScript Proposals

Polyfill to remove click delays on browsers with touch UIs

Open Source PHP Framework (originally from EllisLab)

Application Architecture for Building User Interfaces

Chaos Monkey is a resiliency tool that helps applications tolerate random instance failures.

Build terminal dashboards using ascii/ansi art and javascript

Status, process, and documents for ECMA-262

A React component for building Web forms from JSON Schema.

The fastest JSON schema Validator. Supports JSON Schema draft-04/06/07/2019-09/2020-12 and JSON Type Definition (RFC8927)

A toolchain for building scalable, enterprise-ready component systems on top of TypeScript and Web Component standards. Stencil components can be distributed natively to React, Angular, Vue, and tr…

A file and module loader for JavaScript