Find out where your website visitors are from: generates statistics on hits per top level domain (e.g. .com, .org, .uk, .se, .fr). Currently works with apache log format, but can easily be extended to understand other formats. Written in vanilla Python.
webworks-se-Log is a log analyser for web server logs. It features a plug-in architecture for new categories (i.e. things to look for) and is object-oriented written in perl. Click at Docs link for documentation.