AWStats is a free powerful and featureful server logfile analyzer that shows you

Three Licenses: FREE, Regular, and Gold. Provides workstation based log file analysis to help you understand and optimize your site traffic. Powerful filters. Great reports. Track search phrase ROI. Gold incl Scenarios, HyperLink TreeView, more.

Web Log Suite is a GUI/command line log analyzer. Highly detailed and easily configurable reports can be generated in various languages output to screen, ftp, file directories or email. It supports more than 25 most popular log file formats.

OptiLink uncovers the secrets behind top ranked web pages, optimizes internal links, finds link exchange partners, monitors link exchange partner links to your site, finds Super Affiliates, and spies on your competitors` web sites.

Regardless of whether you are maintaining a complex corporate web site or running a personal blog, the HTTP Debugger Pro will assist you in locating the web site errors and identifying slow performing web pages.