Open Source Java Logging Software

"Java log viewer" is a GUI to easily view the java application logs generated by the "java.util.logging" package. The log must be formatted by the XMLFormatter class. It provides facilities in order to filter, to sort and to find log records.

Syslog-slogger can be used to generate controlled,random syslogs.Syslogs to be genereated r listed in a file and can contain list of values - one of which would randomly used to create the message. Syslog generation rate can be controlled as well

AJAXified logfile download and tailing application.

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.

Log4j Viewer is an Eclipse plugin which can read various patterns of log4j's log file and show them in a structured table view which filtering, sorting, searching may apply on.

J2ME logging framework intended to be used at development time. It is only CLDC 1.1 complied. It is simple, flexible and extensible. It supports different way of formating and displaying logging information.

SimpleTracker is a time tracking program to record how much time employees spend on projects and report it in percentages or dollars. An online demo is available to try before downloading. (Java Recording Client/PHP Reporting Site/MySQL)

Vigilante is a highly scalable and configurable monitoring platform. Its mission is to empower non programmers to build custom logging and monitoring services that can be implemented without any special infrastructure requirements.

ArchiveXindex is a fast, lightweight java app that indexes files on CDs, DVDs, removable drives, MP3 players, network shares, etc. Locate files on removable media without access to the physical media. Supports image thumbnails for most popular formats.

Big-Brother is a collection of J2EE filters and servlets that provide custom monitoring and auditing of web-applications, keeping track of who does what, when, and how often. It makes use of the jakarta-apache Struts framework for the interface GUI.

Platform based on JMS queues to centralize System Event Messages (syslog) and Application Layer Messages, persisting them in several Databases and providing several pre- and post- processes according the message's nature, like encryption, mail.

Cross-language and cross-platform user's action tracking framework,enabling researchers to respect user's privacy through visual controls which allow users to start/stop/pause data recording,view logged data and opt out of a research study.

Correlation engine based on Esper library which can be used together with Logstash. Please read FAQ http://sourceforge.net/p/correactive/wiki/FAQ/

Cricket Cage automatically creates JUnit TestCases for repeatable bugs and test scenarios. Include Cricket Cage's AspectJ code to install a code generator, then run the program to generate the TestCase. Finally, add the test case to your build.xml.

A listener for Ant via Jabber.

DirJack is a java written tool to monitor directories in your filesystem. The main feature is to react on changes within a directory i.e. you can define the behaviour what to do when files are added, edited or removed.

GILoT is an interpreting and formatting log tail:er. As each log entry is matched and formatted against customizeable rules, only relevant data is parsed. GILoT features, atm, two separate user interfaces, a console UI and an ncurses/charva TUI.

The Genalyze log analyzer, a simple yet highly extensible framework for parsing log files, was designed for parsing T-Server log files generated by Genesys contact center software platform, yet is generic and easy enough to adapt for other log formats.

Java developer can get or set windows system log by this api. It is more easy to use. Using jni to communicate java with c++.

Thanks to this application, customize your files logs in real time with text and colors filters. It is useful if you are a developer for example and if you want to have a good look on your logs in real time.

A tool to search log files for specific dates, times, words or log types. It creates a new folling file from the original logging file(s) but filtert with some filters so you find only the needed parts to find out whats going on.

This is a web application, using thing application user can see the log file with multiple search critria. This application supports Log4J and log4Net. This tool is used to filter the log file, based on multiple criteria. Admin user can configure multiple applications and group the application up to three levels. Application name will be displayed in tree structure based upon grouping. Application will be displayed based on roles. System will allow the user to filter the log file not only the application level and also in group level (Multiple groups or multiple application and group). This tool will allow creating multiple users with different role in this system.