MindTree Insight is a log analysis tool inspired by the Log4j Chainsaw. It is now an OpenSource project on SourceForge and is available at : http://sourceforge.net/projects/mindtreeinsight The download of the latest release is available at: http://sourceforge.net/project/showfiles.php?group_id=212019&package_id=254922 This blog entry describes the need for such a tool and its background : http://regumindtrail.wordpress.com/2007/02/06/the-spot-the-log-entry-contest/