glogg - glogg is a multi-platform GUI application to browse and search through long or complex log files.
Nerdlog - Nerdlog is a fast, remote-first, multi-host TUI log viewer with timeline histogram and no central server. Loosely inspired by Graylog/Kibana, but without the bloat. Pretty much no setup needed, either.
LNAV - The Log File Navigator (lnav) is an advanced log file viewer for the console.
klogg - klogg is the fork of glogg - the fast, smart log explorer.
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.
BareTail - BareTail is a real-time log file monitoring tool. Features Real-time file viewing