Lilith is a logging and access event viewer for Logback, log4j & java.util.logging. It has features comparable to Chainsaw for log4j. This means that it can receive logging events from remote applications using Logback as their logging backend
Hyperic is application monitoring and performance management for virtual, physical, and cloud infrastructures. Auto-discover resources of 75+ technologies, including vSphere, and collect availability, performance, utilization, and throughput metrics.
A command line tool for text file analyis, filtering, splitting and reporting.
Runs under Java (1.5+), supports plugins written in Groovy.
Has nix and win batch files in distributions.