OpenUI let's you describe UI using your imagination, then see it rendered live.
Bootstrap components built with React
A simple, lightweight JavaScript API for handling cookies, client-side.
Ember.js - A JavaScript framework for creating ambitious web applications
A draggable and resizable grid layout with responsive breakpoints, for React.
猫抓 浏览器资源嗅探扩展 / cat-catch Browser Resource Sniffing Extension
Adds static typing to JavaScript to improve developer productivity and code quality.
JavaScript Data Grid / Data Table with a Spreadsheet Look & Feel. Works with React, Angular, and Vue. Supported by the Handsontable team ⚡
Instant-loading web apps, without effort
Markdown parser, done right. 100% CommonMark support, extensions, syntax plugins & high speed
A JavaScript implementation of various web standards, for use with Node.js
A collection of common interactive command line user interfaces.
Free admin dashboard template — vanilla JS, SCSS, Vite 8. No Bootstrap, no jQuery.
《ECMAScript 6入门》是一本开源的 JavaScript 语言教程,全面介绍 ECMAScript 6 新增的语法特性。
A terminal for the web
The most powerful data validation library for JS
FLOSS kanban, built with Meteor. Official Public Support at GitHub issues only. Official Private Pre-Paid Support at https://wekan.fi/commercial-support/ only. Translation PRs to imports/i18n/data/en.i18n.json, other translations at https://app.transifex.com/wekan/wekan . No telemetry.
Node.js test runner that lets you develop with confidence 🚀
Full-sized drag & drop event calendar in JavaScript
Loads environment variables from .env for nodejs projects.
Fast math typesetting for the web.
Interactive Data Visualization in the browser, from Python
A reference implementation of GraphQL for JavaScript
Examples of how to do query, style, dom, ajax, event etc like jQuery with plain javascript.
A rich text editor for everyday writing
支持 Python3、JavaScript、Shell、Typescript 的定时任务管理平台(Timed task management platform supporting Python3, JavaScript, Shell, Typescript)
A simpler site generator. Transforms a directory of templates (of varying types) into HTML.
The industry-leading GraphQL client for TypeScript, JavaScript, React, Vue, Angular, and more. Apollo Client delivers powerful caching, intuitive APIs, and comprehensive developer tools to accelerate your app development.
A Git-based CMS for Static Site Generators
Compose Multiplatform, a modern UI framework for Kotlin that makes building performant and beautiful user interfaces easy and enjoyable.
Tracking ECMAScript Proposals
List of JavaScript methods which you can use natively + ESLint Plugin
Relay is a JavaScript framework for building data-driven React applications.
Effortlessly compose, extend, and observe every service in real-time for the first time ever.
The free and privacy-friendly screen recorder with no limits 🎥
The batteries-included full-stack framework for the AI era. Develop JS/TS web apps (React, Node.js, and Prisma) using declarative code that abstracts away complex full-stack features like auth, background jobs, RPC, email sending, end-to-end type safety, single-command deployment, and more.
Jargon from the functional programming world in simple terms!
An open source platform for Python in the browser. https://pyscript.net Docs: https://docs.pyscript.net/ Try it: https://pyscript.com/ Community: https://discord.gg/HxvBtukrg2
AI-powered development workspaces with reusable components, architectural clarity and zero overhead.
a 2D rigid body physics engine for the web ▲● ■
Dropzone is an easy to use drag'n'drop library. It supports image previews and shows nice progress bars.
Open-source JavaScript charting library behind Plotly and Dash
Google's common Java, C++ and JavaScript library for parsing, formatting, and validating international phone numbers.
The industry standard for API mocking in JavaScript.
✨ A beautiful, responsive, highly customizable and accessible (WAI-ARIA) replacement for JavaScript's popup boxes. Zero dependencies. 🇺🇦🇪🇺
A lightweight Node.js private proxy registry
A simple javascript utility for conditionally joining classNames together
Performant financial charts built with HTML5 canvas
:kangaroo: - PouchDB is a pocket-sized database.
The commitizen command line utility. #BlackLivesMatter
This open-source curriculum introduces the fundamentals of Model Context Protocol (MCP) through real-world, cross-language examples in .NET, Java, TypeScript, JavaScript, Rust and Python. Designed for developers, it focuses on practical techniques for building modular, scalable, and secure AI workflows from session setup to service orchestration.
DOMPurify - a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMPurify works with a secure default, but offers a lot of configurability and hooks. Demo:
🎮 The only Front-End Performance Checklist that runs faster than the others
Build production-ready applications in TypeScript
Lightweight static analysis for many languages. Find bug variants with patterns that look like source code.
🌳 Tiny & elegant JavaScript HTTP client based on the Fetch API
Powerful web graphics runtime built on WebGL, WebGPU, WebXR and glTF
A Collection of application ideas that can be used to improve your coding skills ❤.
HLS.js is a JavaScript library that plays HLS in browsers with support for MSE.
Build cross-platform Native Progressive Web Apps for iOS, Android, and the Web ⚡️