A multi-platform, Qt-based frontend for systemd's journalctl command. Accepting local as well as remote (SSH) data sources.

antilogviewer is yet another log viewer for log4j library and its various ports for other languages. It has good performance, small memory footprint and flexible filter system... and of course, dark theme.

LGX is a high-performance log explorer for developers and DevOps, designed to handle large files with fast indexing, smart filtering, and clear visual insights

A Qt-based desktop application for viewing, searching and filtering log files with a user-friendly interface.

Example plugin for LogViewer — shows how to implement the plugin API in C++