The Revolution Theme by Brian Gardner, one of the best premium Wordpress themes out there, if not the best, is going open source from 1st of October 2008.
Gardner will team up with Jason Schuller ( Of Wp-elements.com) for the upcoming revolution project. All future and present themes will be released under the GPL License. The decision comes after Gardner and Schuller met Matt Mullenweg and Toni Schneider in San Francisco recently.
Gardner initially labelled the Revolution theme Project X, and released it in August 2007. It took the wordpress theme world by storm, and became so successful that Gardner even launched his own affiliate program for the theme.