Open Source Java Log Analysis Software

ProM is the comprehensive, extensible framework for process mining. Process Mining deals with the a-posteriori analysis of (business) processes using enactment logs.

A powerfull tool for analysing application servers logs (websphere, websphere portal, j2ee, custom) in a cluster (or not). It can analyse any log format thanks to a parser plugin approache. You can easily develop your own parser in java (for jboss, bea,.

log2web is a software intended to expose on a simple web page the logs generated by log4j. The objective is to have an online log viewing tool to replace a "tail -f" plus some other benefits.

DNA is an open, flexible and extensible deep network analyzer software server and software architecture for gathering and analyzing network packets, network sessions and applications protocols, passively off enterprise class networks.

LittleWebStats is an Open Source project written in Java that aims at producing accurate information on Web Site Visitors behavior. It uses JFreeChart Library for creating the charts.

TailBlazer is a graphical version of the UNIX 'tail' utility. It allows you to monitor log files as they are written. New lines appear as they are written. TailBlazer takes this a step further by supporting pattern matching, filtering, and notification

AccounteX is an IP accounting system based on the IP Stat program. It has many exciting features like fully customizable web traffic accounting and user access control by many different values. information service and web statistics and administration.

Biik: A Zoomable, Context-Aware Visualization System for SNORT IDS

Use Pentaho open source business intelligence tools and MySQL to collect & distribute web analytics (clickstream) data. Extract data from logs, load database tables, & present the information in dashboards, analysis cubes, and reports for business users. This project has been moved to github - https://github.com/cjlavigne/breadboard

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.

Clown is a "clustering" framework. It allows you to cluster datasets (in ARFF) format using a number of different clustering algorithms.

DAD is a Windows event log and syslog management tool that allows you to aggregate logs from hundreds to thousands of systems in real time. DAD requires no agents on the servers or workstations. Correlation and analysis is driven through a web front end.

Dark Age of Camelot (DAoC) Log Analyser written in Java that creates HTML statistic from your chat.log file.

Dynamic-Admin-Apps is a Collection of several small dynamic administrativ Webapplications written in Java to offer some deluxe functions for Webcontainer-Administrators or Developers.

An eclipse plugin providing tail in view component.

Intended to be used during a live stream, this parser will poll for new donations based on a comma-delimited list of ids and display them in a frameless background with a total. Colors can be changed without closing the display to support streamers using a chroma key. Licensed under GPL version 3

Experimental Hybrid Intrusion Detection System written in Java

Flamingo is a open-source Big Data Platform that combine a Ajax Rich Web Interface + Workflow Engine + Workflow Designer + MapReduce + Hive Editor + Pig Editor. 1. Easy Tool for big data 2. Use comfortable in Hadoop EcoSystem projects 3. Based GPL V3 License Supporting Pig IDE, Hive IDE, HDFS Browser, Scheduler, Hadoop Job Monitoring, Workflow Engine, Workflow Designer, MapReduce.

GALProxy is a multithread proxy server written in java. It can elaborate all upcoming requests from most common browsers. It can be used in a LAN in order to concur the sharing of an Internet connection; it implements local caching, content filtering an

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.

GuiTAR stands for "General-purpose Tool for Anaphora Resolution". It was developed in Java at Essex University. (see http://dces.essex.ac.uk/research/nle/GuiTAR/)

HiLexed 2 is a dynamic hierarchical LL-parser system with integrated lexing. It features a powerful unlimited look-ahead, look-ahead compression*, dynamic rules and left-recursion*. * = Under development

A simple yet useful tool for browsing instant messenger log files (like Trillian, ICQ or Gaim) and also HTML server log files. It has some interesting search modes and provides functionality that most messengers don't.