Myq3log is a Quake 3 Log analyser. It use Php to parse the log files and mysql to store data in.
You can browse in those data with a php interface too.
The tribes console log parser is a perl script that will parse starsiege tribes and tribes 2 console logs. The parsed data is stored in a mysql database, and can be retrieved over the web with a supplied php file.
Real-time stats and ranking for Half-Life2. Hlstats uses a perl demon to parse the logs from hl2. The data is stored in a mysql Database and has a php fronted.