log4rs is a highly configurable logging framework modeled after Java's Logback and log4j libraries. If you are using the file rotation in your configuration there is a known substantial performance issue so listen up! By default the gzip feature is enabled and when rolling files it will zip log archives automatically. This is a problem when the log archives are large as the zip happens in the main thread and will halt the process while the zip is completed. Be advised that the gzip feature...
This project provides useful tools/plugins for simplifying the development with Eclipse. Our first tool is a log file viewer plugin for Eclipse that reads JavaUtil JDK logs from socket or file. Multiple logs can be viewed at the same time.
TekMath is a java/swing-based viewer for the Math Markup Language (MathML) that can be easily embedded in custom java applications. It supports both content and presentation markup languages, and depends on no external packages beyond the java runtime.
The Open Log Engine is a powerful tool for advanced logging in games or programs. It easily allows you to make logging outputs in your program and analyse them afterwards with the Open LogViewer, which provides you a powerful filtering system.