Open source is so much more than Linux these days. A lot is happening beyond the popular operating system. Open source models are thriving in CRM (SugarCRM), messaging (Scalix), and systems management (Zenoss). Datamation has identified ten leading commercial open-source innovators and the projects they are working on in their article, Ten Leading Open Source Innovators.
http://slashdot.org/article.pl?sid=07/02/23/0032233&threshold=4