Compass

A Sass-based CSS Meta-Framework that allows you to mix and match any of the following CSS frameworks:

Compass Core - Wiki Documentation
Blueprint - Wiki Documentation
YUI - Wiki Documentation
960 - Wiki Documentation
Other frameworks can be added relatively easily. Create your own!

Compass Provides

A command line tool for managing your Sass projects.
Simple integration with Ruby-on-Rails, Merb, StaticMatic, and even non-ruby application servers.
Loads of Sass mixins to make building your website a snap.

More Information

Please see the wiki

Author

Compass is written by Chris Eppstein.
Chris is the Software Architect of Caring.com and a member of the Sass core team.

License

Copyright (c) 2008-2009 Christopher M. Eppstein
All Rights Reserved.
Released under a slightly modified MIT License.