The most advanced responsive front-end framework in the world. Quickly create prototypes and production code for sites that work on any kind of device.

A rugged, minimal framework for composing JavaScript behavior in your markup.

30 Day Vanilla JS Challenge

Create graphics with a hand-drawn, sketchy, appearance

CSS is powerful, you can do a lot of things without JS.

🏩 Cascading grid layout plugin

Zepto.js is a minimalist JavaScript library for modern browsers, with a jQuery-compatible API

A free simple responsive HTML email template

Defines a common protocol for language servers.

💞 Filter & sort magical layouts

Colour schemes for a variety of editors created by Dayle Rees.

An easy-to-read, quick reference for JS best practices, accepted coding standards, and links around the Web

Zenbot is a command-line cryptocurrency trading bot using Node.js and MongoDB.

Quickly create responsive HTML emails that work on any device and client. Even Outlook.

Make it a fun to create spec for developers and teammates

Slam Dunk JavaScript

Vagrant/Puppet GUI

Full Stack Python source with Pelican, Bootstrap and Markdown.

Generate critical css for your web pages

Online resources for Python Crash Course (Second Edition), from No Starch Press

Simplified JavaScript Jargon

Color combination contrast tester

This plugin is used to fix elements on the page (top, bottom, anywhere); however, it still allows the element to continue to move left or right with the horizontal scroll.

EQCSS is a CSS Reprocessor that introduces Element Queries, Scoped CSS, a Parent selector, and responsive JavaScript to all browsers IE8 and up

Make Capslock Great Again!

Lightweight, accessible and responsive lightbox.

Beautiful CSS drop caps made easy

The source code for WebTypography.net, a practical guide to web typography.

Code examples from CSS In Depth