TecSpy.com Michael Erskine's Domain

Apache Log4j - http://logging.apache.org/log4j/index.html - I live here!
Jakarta Commons Logging (JCL) - http://commons.apache.org/logging/ - tried but denied!
java.util.logging - http://java.sun.com/javase/6/docs/technotes/guides/logging/overview.html - an attempt to crush log4j? Looked exciting: always there (1.4 up), similar to log4j, but I never used it on purpose.
Simple Logging Facade for Java (SLF4J) - http://www.slf4j.org/ - now we're talking!
Log-bridge - https://log-bridge.dev.java.net/ - I haven't used this one yet but it makes sense: the Swing Application Framework should use this to decouple from the 1.4 logging but at least the 1.4 is always available (well, for a decent platform!)