SASS has Compass (a community maintained library of sass mixins/methods).
Does LESS have any supporting libraries that can compare to Compass? Listing anything would be helpful!
Another great mini-library...
Bootstrap
by Mark Otto, Designer at Twitter
Bootstrap is a super awesome pack of mixins and variables to be used in conjunction with LESS, a CSS preprocessor for faster and easier web development.
Demo/Site: http://getbootstrap.com/
Mixins: https://github.com/twbs/bootstrap/tree/master/less/mixins
Github/Source: https://github.com/twbs/bootstrap