PHP - CSS Preprocessors

php

http://the-echoplex.net/csscrush/
http://turbine.peterkroener.de/index.php
http://retired.haveamint.com/archive/2008/05/30/check_out_css_cacheer
http://pornel.net/css
http://code.google.com/p/dtcss/
http://csspp.org/
http://www.webresourcesdepot.com/php-driven-css-preprocessor-pcss/
http://pcss.wiq.com.br/