A PHP log class
log4j support for native nagios (nsca) integration
Command line client interface for LOGalyze 4
creates an extra socket for syslog (e.g. in a chroot jail)
C++ Logger capable of multiple output streams.
A detailed user action logging engine
PHP script to parser apache log
Simple Log File Monitor is a set of scripts to help monitor logs
Open Source System and Network Monitoring for Linux Desktop
Utility to scan unwanted files (scam and others) on webhost or alike
Windows Tail: A version of Linux tail. Tail for windows.
Colour lines in syslog-ng logs according to severity
Graphical java logfile viewer/follower.