If Marc Benioff, CEO and founder of Salesforce.com, is the biggest spokesperson for SaaS (software as a service), then Greg Gianforte, CEO and founder of SaaS CRM competitor RightNow Technologies, is in the avant-garde of that software revolution, adding open source to the war on packaged apps. The difference between the two may offer us a peek into the future of IT infrastructures. RightNow is not as large as Salesforce.com, but it does have some heavyweight clients.