Open Web Analytics (OWA) is open source web analytics software that you can use to track and analyze how people use your web sites and applications.
OWA also comes with built-in support for tracking web sites made with popular content management frameworks such as WordPress and MediaWiki.
Track Page views, visits, and unique visitors over time
Track unique, new, repeat visitors over time
Multiple Web Site Support - track any number of web sites and view statistics in aggregate or by site
Click-streams - view the actual click-stream of each visitor
Click Tracking - Track where exactly on a web page users are clicking and view clicks by browser type
Click Heat Maps - view a heat map of where users are clicking on your web pages
Google Maps - map your visitors on Google Maps
Google Earth (KML) - view your visitors in Google Earth via a KML file export