Open-source systems performance monitor
Asynchronous Low Latency C++ Logging Library
Log management solution that improves the performance of SIEM
Fast and Lightweight Logs and Metrics processor for Linux, BSD, OSX
SQL operating system instrumentation and monitoring framework
A Fluent Logging API for Java
Pure Clojure/Script logging library
Advanced and structured logging for various .NET platforms
Structured, pluggable logging for Go
Fast persistent recoverable log and key-value store + cache
Performance Data collector for Monitoring.
Viewer for text files, specifically log files, with built-in grep.
Single header C++ logging library. It is extremely powerful
Logging utility for DB2 for LUW written in SQL-PL
Linux system monitoring tool for multiple hosts
My text log analysis tool
The system statistics collection daemon
Enterprise-class, distributed monitoring solution for networks & apps
centralized syslog-ng monitoring frontend writen in php
A modern, flexible logging tool
OPTOSS Next Gen Network Management System (NG-NetMS)
A multi-platform universal log collector and forwarder
Generate charts and reports using data gathered in log files