Tiburon Homes, LLC a leading home builder in Chicago’s affluent suburbs, uses mainly open source applications to keep it’s business running smoothly.  Using a combination of ClamWin Antivirus to protect it’s desktops from viruses and malware, Zimbra to run mission critical email, calendaring and scheduling, and TightVNC to provide remote desktop support, Tiburon has saved thousands hard costs such annual license renewals and in soft costs such as lost productivity due to unreliable proprietary products.