Logwatch - Logwatch is a customizable log analysis system.
glogg - glogg is a multi-platform GUI application to browse and search through long or complex log files.
TAI .NET - .NET Framework 4.5 is a highly compatible, in-place update to .NET Framework 4.
klogg - klogg is the fork of glogg - the fast, smart log explorer.
Log Parser Lizard - Download this ETL log parser for automated SQL querying any text based data or system logs like Web Server logs, Windows System Events and application log files.
LogViewPlus - Looking for a better log viewer? LogViewPlus is a professional log file viewer that can parse, read, tail, merge and analyze log files in any format. Remote log files (SFTP) and large files are supported. Easy configuration.