Web Directory

» Chainsaw
   An application for visual viewing and filtering of log4j events. [Open Source, GPL]
   http://logui.sourceforge.net/

» JDBCAppender
   Log4J compatible for logging messages to database. [Open Source, APL]
   http://www.dankomannhaupt.de/projects/

» Java Logging API Specification
   The home of a Java Community Process expert group defining standard logging APIs for error and trace logging. The latest draft and status history is available.
   http://jcp.org/en/jsr/detail?id=047

» Java Logging Framework
   Framework for logging in Java. [Open source]
   http://www.theobjectguy.com/javalog/

» Java Syslog
   Java based syslogd client and server implementation. [Open Source, GPL]
   http://www.trustice.com/java/syslog/

» JavaLog
   A logging class library with runtime configurable formatting and event filtering. [Open Source, MPL]
   http://sourceforge.net/projects/javalog/

» Jestr - a Java Extensible Stringifier
   Converts arbitrary Java objects into strings for logging. Configured via a properties file similar to log4j.properties. [Open Source, APL]
   http://jestr.sourceforge.net/

» Log4E
   A Eclipse plugin which helps use logger easily in Java Projects. It's not bound to any special logging framework, but can used with Log4j, Commons Logging, or custom logger.
   http://log4e.jayefem.de/

» Log4j
   Logging package for printing log output to different local and remote destinations. Selection and filtering of log events at runtime. [Open Source, APL]
   http://logging.apache.org/log4j/

» Logging with log4j - An Efficient Way to Log Java Applications
   About the need for logging and Log4j, an Open Source framework for logging Java applications for debugging and monitoring purposes.
   http://www.developer.com/open/article.php/3097221

» Lumberjack
   This API Conforms to the Logging API in JDK1.4, but is available for pre-1.4 JDKs.
   http://javalogging.sourceforge.net/

» Quality Open Software (QOS)
   Offers support on log4j as well as information concerning a book on this topic.
   http://qos.ch/

» jLEA (Journaling and Logging Enterprise Applications)
   A logging system written in pure Java for logging and supervising non-distributed as well as distributed Java-, J2EE- and legacy applications. [Commercial]
   http://www.jlea.de/