Source : HSL Color Picker - by Brandon Mathis
Web Design Tools, Examples and resources that help your projects or blogging.
Source : SW Design Lab
Less extends CSS with dynamic behavior such as variables, mixins, operations and functions. Less runs on both the server-side (with Node.js and Rhino) or client-side (modern browsers only).
Source : Getting started | Less.js
Syntatically Awesome Style Sheets