Piwik - Open Source Competitor to Google Analytics

Piwik (previously known as "phpmyvisits") aims to be an open source alternative and direct competitor to the famous statistics from Google Analytics. As both programs are free for its members, the main fight for the users will be on the level of the usability, user interface, and set of features available.Piwik provides detailed reports on the web site visitors, enhanced statistics per pages popularity, overview of search engine keywords, languages used, traffic origins, and much more. If in US it is just starting its way to the consumers, in Japan it is already well-known to the bloggers