STARCAT (STAtiscic Reporting, Collecting and Analysing Tool) is a toolkit to gather statistics out of several sources (for example, rrd-files, logfiles, DBMS,...) and create nice-looking reports out of them using XML-templates.
FxStats is a log file anaylzer and statistics generator for first person shooters, using the Template Toolkit Perl module to generate output. It currently supports Medal of Honor: Allied Assault and Call of Duty.