The most popular HTML, CSS, and JavaScript framework for developing responsive, mobile first projects on the web.

A professional front-end template for building fast, robust, and adaptable web apps or sites.

Prettier is an opinionated code formatter.

📦🚀 Blazing fast, zero configuration web application bundler

Video.js - open source HTML5 & Flash video player

🕸 No-bullshit answers to the famous h5bp "Front-end Job Interview Questions"

📗 SheetJS Community Edition -- Spreadsheet Data Toolkit

采用自身模块规范编写的前端 UI 框架，遵循原生 HTML/CSS/JS 的书写形式，极低门槛，拿来即用。

A set of small, responsive CSS modules that you can use in every web project.

A JavaScript implementation of various web standards, for use with Node.js

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 Processing. http://twitter.com/p5xjs —

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前端入门到进阶，超详细的Web前端学习图文教程。从零开始学前端，做一名精致优雅的前端工程师。公众号「千古壹号」作者。

🅰️ web framework for building virtual reality experiences.

🍞📝 Markdown WYSIWYG Editor. GFM Standard + Chart & UML Extensible.

The Aurelia 1 framework entry point, bringing together all the required sub-modules of Aurelia.

Create PDF documents using web technologies

A bidirectional Markdown to HTML to Markdown converter written in Javascript

A curated collection of common interview questions to help you prepare for your next interview.

A mighty, modern style linter

Mobile app development framework and SDK using HTML5 and JavaScript. Create beautiful and performant cross-platform mobile apps. Based on Web Components, and provides bindings for Angular 1, 2, React and Vue.js.

A habit tracker app which treats your goals like a Role Playing Game.

wxParse-微信小程序富文本解析自定义组件，支持HTML及markdown解析

Beautifier for javascript

VNC client web application

JavaScript library for HTML5 & CSS3 time sheets

AriaNg, a modern web frontend making aria2 easier to use.

Generates an image from a DOM node using HTML5 canvas

🔥 Highly performant, light ~1kb and configurable lazy loader in pure JS with no dependencies for responsive images, iframes and more

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: