Fire.app is described as 'menu bar only app for dead easy HTML prototyping. It supports Sass/Compass, Haml, ERB, Markdown, CoffeeScript, and more' and is an app in the Development category. There are more than 10 alternatives to Fire.app for Mac, Windows, Linux, Online / Web-based and Sass. The best alternative is Prepros. It's not free, so if you're looking for a free alternative, you could try Bourbon or Live.js. Other great apps like Fire.app are CodeKit (Paid), Crunch! (Freemium), Delivery (Free) and SiteFlow (Paid).
Compile Less, Sass, Scss, Stylus, Jade, Coffeescript, Haml and Markdown with live browser refresh. Prepros is a web design & development tool that does all the heavy lifting needed to preprocess, optimize and test your sites and keeps your workflow supercharged.
Write your LESS markup. Crunch it into a CSS file. Link the crunched CSS file in your HTML. CRUNCH allows you to organize your LESS/CSS styles into some well-organized libraries, and then just serve a single file to the browser.
Tired of having to compile your scripts manually? Do you want to optimize your website images? Do you really want to speed up your website by shaving off unnecessary file bulk? Just drag'n'drop your files and Squeezer will take care of the rest!