BitNami Piwik Stack for Linux simplifies the deployment of Piwik and its required dependencies. It can be deployed using a native installer, as a virtual machine, in the cloud, or as a module over an already installed infrastructure Stack. Piwik is a downloadable, open source (GPL licensed) real time web analytics software program. It provides you with detailed reports on your website visitors such as the search engines and keywords they used, the language they speak, and your popular pages.