SQL operating system instrumentation and monitoring framework
Log management solution that improves the performance of SIEM
tinylog is a lightweight logging framework for Java, Kotlin, Scala
Fast and Lightweight Logs and Metrics processor for Linux, BSD, OSX
An extensible Java library for HTTP request and response logging
A Fluent Logging API for Java
Logging Framework for C++
C++ library for flexible logging
Firewall log analyzer
JENNOM - Java Enterprise Network Nodes Monitor
Performance Data collector for Monitoring.
A tool that inserts code into Java class files for logging
free netflow analyzer
Logging utility for DB2 for LUW written in SQL-PL
Enterprise-class, distributed monitoring solution for networks & apps
Snare Enterprise: bit.ly/Snare-Trial
OPTOSS Next Gen Network Management System (NG-NetMS)