macOS Console - An application to view live log files.
BareTail - BareTail is a real-time log file monitoring tool. Features Real-time file viewing
tail - Tail is a Data Management Platform offering audience segmentation solutions to brands around the world.
Event Log Explorer - Windows event log viewer software. Windows event log analysis, view and monitor security, system, and other logs on Windows servers and workstations
glogg - glogg is a multi-platform GUI application to browse and search through long or complex log files.
Tail for Win32 - Tail for Win32 is used to monitor changes to files; displaying the changed lines in realtime.