Open Source Java Logging Software

Zabbix is an enterprise-class open source distributed monitoring solution designed to monitor and track performance and availability of network servers, devices and other IT resources. It supports distributed and WEB monitoring, auto-discovery, and more. An enterprise-class distributed monitoring solution for networks & apps

Elasticsearch is a distributed, RESTful search and analytics engine that lets you store, search and analyze with ease at scale. It lets you perform and combine many types of searches; it scales seamlessly, and offers answers incredibly fast with search results you can rank based on a variety of factors. Elasticsearch can be used for a wide variety of use cases, from maps and metrics to site search and workplace search, and with all data types.

Logbook is an extensible Java library to enable complete request and response logging for different client- and server-side technologies. It satisfies a special need by a) allowing web application developers to log any HTTP traffic that an application receives or sends b) in a way that makes it easy to persist and analyze it later. This can be useful for traditional log analysis, meeting audit requirements or investigating individual historic traffic issues. Logbook is ready to use out of the box for most common setups. Even for uncommon applications and technologies, it should be simple to implement the necessary interfaces to connect a library/framework/etc. to it.

Logstash is a server-side data processing pipeline that dynamically ingests data from numerous sources, transforms it, and ships it to your favorite “stash” regardless of format or complexity. It supports and ingests data of all shapes, sizes and sources, dynamically transforms and prepares this data, and transports it to the output of your choice. Logstash is extensible, with over 200 plugins available to let you create and configure your pipeline how you choose.

Untangle is a Linux-based network gateway with pluggable modules for network applications like spam blocking, web filtering, anti-virus, anti-spyware, intrusion prevention, bandwidth control, captive portal, VPN, firewall, and more. Visit http://untangle.com

Cyberoam iView; the Intelligent Logging & Reporting solution provides organizations network visibility across multiple devices to achieve higher levels of security, data confidentiality while meeting the requirements of regulatory compliance. To know more about Cyberoam and it’s security solutions visit us at www.cyberoam.com.

Lilith is a logging and access event viewer for Logback, log4j & java.util.logging. It has features comparable to Chainsaw for log4j. This means that it can receive logging events from remote applications using Logback as their logging backend

Hyperic is application monitoring and performance management for virtual, physical, and cloud infrastructures. Auto-discover resources of 75+ technologies, including vSphere, and collect availability, performance, utilization, and throughput metrics.

Log Viewer is a custom-made freeware tool for viewing text files, specifically log files. The text viewing portion of the GUI is custom-made for improved memory usage and file navigating performance on very large files. The tool provides built-in grep (show and hide filtering on a line per line basis), color highlighting, multiple search strings, file tailing, and viewing multiple files as if they were one file.

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

Mysql Monitor Tool is a useful application to monitor multiple Mysql server instances. Its simple and effective user interface allows you to track the health of your servers, check parameters and visualize trends via real time charts.

Microlog is a small, yet powerful logging library for mobile devices based on the Log4j API. Supports Java ME (J2ME) and Android. Logs to device, to PC or to servers online. Used in all phases from development on emulator/device to outdoor field-testing.

A tool to monitor internet hosts` bandwidth usage in a Linux-NAT network. A daemon collects data and clients display them (currently a Java applet with a graph). It automatically detects new hosts and has a nice summary statistic.

Chainsaw is a GUI log viewer and filter for the Log4J package. It listens for LoggingEvent objects sent using the SocketAppender and displays them in a table. The events can be filtered based on Priority, Thread name, Category name and Message. It can als

"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.

LumberJack4Logs is a viewer for log and trace files with the ability to extend the recognized data formats by adding text parser plugins.

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.

An eclipse plugin providing tail in view component.

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.

NetBuffer is a data buffer and splitter: configure your device to push data into NetBuffer, and NetBuffer forwards it to unlimited destinations. Offloads processing from your device to the NetBuffer system. Centralizes management. Runs on Windows.

AJAXified logfile download and tailing application.

The High Interaction Honeypot Analysis Toolkit (HIHAT) allows to transform arbitrary PHP applications into a web-based Honeypot. A semi-automatic user interface supports the analysis process, scans for attacks etc.

LogView4J is a Java Swing Log4J socket listener GUI that makes application debugging simple. It has an intuitive user interface and is designed from the ground up for use of use, speed and stability, with features specifically tailored for Java developer

FlowBuffer is a flow/netflow buffer and splitter: configure your switch to push flow data into FlowBuffer, and FlowBuffer forwards it to unlimited destinations. Offloads processing from the switch to another machine. Centralized management. Runs on Windows.

Log4Janalyzer is a Log4J socket listener GUI that makes application log tracking simple. It has an intuitive Java Swing user interface and is designed for Log4j users. It offers some statistics (quite a few, any suggestions?).