CodeKit - CodeKit allows you to optimize the performance of your website by automatically and efficiently compiling a variety of popular languages.
Browserlink.vim - Live browser editing for Vim. Contribute to jaxbot/browserlink.vim development by creating an account on GitHub.
Prepros - Compile Less, Sass, Scss, Stylus, Jade, Coffeescript, Haml and Markdown with live browser refresh.
LiveReload - LiveReload 2 proudly presents… The Web Developer Wonderland. (a happy land where browsers don't need a Refresh button). CSS edits and image changes apply live. CoffeeScript, SASS, LESS and others just work.
Scout-App - Process Sass files into CSS without any knowledge of the command line.
Browsersync - Browsersync makes your tweaking and testing faster by synchronising file changes and interactions...