BareTail - BareTail is a real-time log file monitoring tool. Features Real-time file viewing
Log Transformer - Monitor log files in real time using customized filter and formatting rules. Use regular expressions to apply color and formatting. Go even further by filtering out unwanted text or lines. https://logtransformer.com
klogg - klogg is the fork of glogg - the fast, smart log explorer.
glogg - glogg is a multi-platform GUI application to browse and search through long or complex log files.
LNAV - The Log File Navigator (lnav) is an advanced log file viewer for the console.
macOS Console - An application to view live log files.