“monitors changes in the file system. As soon as you save a file, it is preprocessed as needed, and the browser is refreshed.”
CSS
SimpLESS
“Save your *.less file and, BOOOM, SimpLESS generates a 100% valid standard CSS document out of it. No further steps, it’s that simple.”
Prefix free
“lets you use only unprefixed CSS properties everywhere. It works behind the scenes, adding the current browser’s prefix to any CSS code, only when it’s needed.”
The Multi-Size Web
Awesome collection of responsive, multi-size Web layout resources, tools and articles.
Shorter media queries
HAndy
Scout
“Compass and Sass without all the hassle… a cross-platform app that delivers the power of Sass and Compass to the hands of web designers.”