LogfileTail 

With LogfileTail you can track changes to your log files. Like the famous Unix 'tail' tool LogfileTail outputs the last lines of the file but it has extended features, useful interface and easy interaction with other software you may have.
log monitor trace logfile changes output debug

Tail XP 

Ever wanted to follow a log file, capture debug messages or monitor syslog? Then this product is for you! Featuring multiple types of monitors: file monitor, event log, syslog, OutputDebugString and coloring of lines based on regular expression.
linux tail log file log viewer outputdebugstring event log log logs track changes file monitor syslog syslogd

Tail4Win 

Tail4Win is used to monitor changes to files and display the changed lines in realtime. It is very usefull for monitoring log files of applications - e.g. Apache's logs or IIS's logs. It can capture and display OutputDebugString / TRACE.
windows tail wintail unix tail tailing