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CodeKit automatically compiles Less, Sass, Stylus, CoffeeScript, Jade & Haml files. It effortlessly combines, minifies and error-checks Javascript. It supports Compass. It even optimizes jpeg & png images, auto-reloads your …

Compile Less, Sass, Scss, Stylus, Jade, Coffeescript, Haml and Markdown with live browser refresh.

Write your LESS markup. Crunch it into a CSS file. Link the crunched CSS file in your HTML.

Koala is a gui for Less, Sass, Compass and CoffeeScript. Koala can run in windows, mac, and linux. Features Multi-language Support: support for Less,Sass, CoffeeScript and Compass Framework. Real-time...

A web developer tool that applies JavaScript and CSS changes without having to reload the page. LiveReload monitors changes in the file system. As soon as you save a file, …

Scout is a cross-platform app that delivers the power of Sass and Compass to the hands of web designers. Scout helps make your CSS workflow a snap by delivering more …

{Less} extends CSS with variables, nested rules, operators and more. If you're still building websites without it, you're an idiot. This app makes it dead simple to use {Less} by …

Smaller is a powerful HTML, PHP, CSS and JavaScript compressor on Mac OS X, definitely a must have for every Mac based web developers.

Hammer is a great way of building out HTML websites. With features including HTML includes, SASS and Coffeescript parsing and Clever Paths, Hammer is an indispensable tool! Every time Hammer …

Bourbon - A simple and lightweight mixin library for Sass / CSS.

Compass is an open-source SASS library - extending capabilities of SASS and provides cross-browser mixins for CSS properties introduced in CSS3. The terminal application can compile SASS to CSS. SASS...

A rapid prototyping and static site generation tool for designers and developers

Minimus is a GUI frontend for Yahoo’s YUI Compressor. Instead of using inconvenient and slow websites to compress your JavaScript and CSS, you can do it right on your Mac. …

Compass is a stylesheet authoring framework that makes your stylesheets and markup easier to build and maintain. With compass, you write your stylesheets in Sass instead of plain CSS. Compass.app …

Javascript Packer allows you to quickly validate and compress javascript code. Developers will find that compressing a single or multiple javascript files can take seconds with this tool, saving time …

Fire.app is a menubar only app for dead easy HTML prototyping. It supports Sass/Compass, Haml, ERB, Markdown, CoffeeScript, and more. Fire.app is written in Java (JRuby), and works in mac, …

A little, yet powerful code compressor. Delivery make your scripts and stylesheets lighter. So them load faster. Three different engines. By the JS side, Delivery includes the YUI Compressor (from...