BareTail - BareTail is a real-time log file monitoring tool. Features Real-time file viewing

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.

glogg - glogg is a multi-platform GUI application to browse and search through long or complex log files.

klogg - klogg is the fork of glogg - the fast, smart log explorer.

LNAV - The Log File Navigator (lnav) is an advanced log file viewer for the console.

SPHW - LogViewer - A free platform-independent tool for monitoring log files in real-time.