Adapt.js serves CSS based on screen width.
A Ruby Flavored Language
Client-side markdown generator
A modern, HTML5-ready alternative to CSS resets (as used by Twitter Bootstrap, HTML5 Boilerplate, TweetDeck, Soundcloud, and many others).
A jQuery plugin that analyses the string and automatically embeds emojis, media, maps, tweets, code and services.
Create regex from natural language
Tool for finding out which CSS selectors you're NOT using.
Translate URLs into Rich Media
Web rendering surface for Node applications