LimpidLog 4.00 has been released. LimpidLog is a logging system which does not require any hard-code log statements. It records all important information about the execution of a class at runtime when the class is registered. LimpidLog is an open source project with GPL license at The project is hosted at A Swing manager can be used to dynamically register/deregister your applications. Logged data can be read by human, or read my LimpidDebugger which interprets the data presents it as source level debugging. LimpidLog is for J2EE standalone Java application. LimpidLog also supports Netbeans with GUI management as a Netbeans plug-in.