AWStats is a free powerful and featureful server logfile analyzer that shows you all your Web/Mail/FTP statistics including visits, unique visitors, pages, hits, rush hours, os, browsers, search engines, keywords, robots visits, broken links and more
OpenID is a decentralized authentication protocol for web applications. OpenID users need share credentials with only one OpenID provider, and not every forum and network they log on to. This leads to a safer and more convenient Web. http://openid.net/