BareTail - BareTail is a real-time log file monitoring tool. Features Real-time file viewing
Logmatic - Logmatic is a log centralization, analytics & visualization platform to improve software & business performance.
glogg - glogg is a multi-platform GUI application to browse and search through long or complex log files.
Serilog - Backend Development and Utilities
klogg - klogg is the fork of glogg - the fast, smart log explorer.
LogTailApp - LogTail is a local and remote (SSH) log file viewer and monitoring application for Mac OS X. It is a pure, modern, document-based Cocoa App