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

:electron: Build cross-platform desktop apps with JavaScript, HTML, and CSS

Ruby on Rails

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

Modern CSS framework based on Flexbox

🗂 The perfect Front-End Checklist for modern websites and meticulous developers

Video.js - open source HTML5 & Flash video player

🗿 A list of everything that *could* go in the head of your document

🕸 Almost complete answers to "Front-end Job Interview Questions" which you can use to interview potential candidates, test yourself or completely ignore

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

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。

Tabler is free and open-source HTML Dashboard UI Kit built on Bootstrap

:green_book: SheetJS Community Edition -- Spreadsheet Data Toolkit

A better way for new feature introduction and step-by-step users guide for your website and project.

Free Bootstrap 4 Admin Dashboard Template

Build mobile apps with simple HTML, CSS, and JavaScript components.

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 —

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

Create PDF documents using web technologies

Best practices for modern web development

:a: web framework for building virtual reality experiences.

A simple, in-browser, markdown-driven slideshow tool.

A bidirectional Markdown to HTML to Markdown converter written in Javascript

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