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.

binjr is a free, open-source time series browser designed for exploring numerical monitoring data and timestamped application logs. It provides an interactive desktop environment for visualizing information collected by external systems. Users can combine data from multiple sources into customizable charts using drag-and-drop controls. The software supports numerical time series, structured log files, and several monitoring data formats. Its navigation tools include timeline zooming, synchronized charts, detachable tabs, and browsing history. Apache Lucene indexing enables efficient searching and exploration of large log files. Users can save visualization sessions and reopen them for further investigation. Built with JavaFX for Windows, macOS, and Linux, binjr supports local data analysis without requiring cloud services.

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.

The ProM Import Framework allows to extract process enactment event logs from a set of information systems. These can be exported in the MXML format, which is the standard event log data format for Process Mining analysis techniques.

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.

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.

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.