The “Infrastructure” dimension is certainly the best represented in the field of open source tools, with hundreds and even thousands of available solutions. And it is from this dimension that open source projects are born. Many have reached such prominence that they are close to being household names: tools such as the Apache HTTP server, the Nagios supervision tool, and the Linux line of operating systems. These projects and the many others included in this dimension lay the foundation for a sound infrastructure capable of hosting the best applications under optimal conditions.