With a market share into the entreprise segment more and more growing, and also to stay aligned with a demand of Cloud enabled technology, it was normal for Linux to support tools for virtualization. As a precurseur, Vmware did support the Linux operating system since its early beginning. But now, the market is wide open to other solutions too.
Starting as open source alternative to the first commercial solution that Vmware was, these alternative solutions have been acquired / integrated into sophisticated commercial solutions.
The valid alternatives to Vmware are :


Database (RDBMS or directories) are often seen has the foundations for almost all applications used within the enterprise.
  • RDBMS will be often used when there is many read and write. RDBMS, the SQL databases, can hold any kind of data, ordered and linked just like you want, but the protocols to access them may be more heavy than for directories


The Operating System

Well, this is obviously our the first brick of our "Open Infrastracture". Among all free OS available today, we've choosen Linux, which finally is the title of this site. But wich distribution ? You don't have to know Linux very well to be informed that there are a lot of various distributions delivering a Linux OS. A distribution will deliver the Linux kernel and all that is needed to boot a server but also a lot of supplemental applications doing a lot of things like web servers, database servers, graphical desktops or office applications.