Hoo WinTail is a real-time log viewer for Windows like the UNIX tail -f utility. It can be used to view the end of a growing file. It is ideal for viewing application traces or server logs in real time. You can view the last part of a large file without the need to load the entire file quickly. It can capture and display OutputDebugString (Windows Debug API) and TRACE / ATLTRACE (MS Visual C++ Debug Macro) output as well.

Tail4Win is a Windows port of the UNIX 'tail -f' command. Tail4Win is used to monitor changes to files and display the changed lines in realtime. It can, for example, keep an eye out for certain keywords in a log file. It is very usefull for monitoring log files of applications - e.g. Apache's error.log and access.log. or IIS, Tomcat,Resin log files. It can capture and display OutputDebugString / TRACE.