Open Source Java Logging Software

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.

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.

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.

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.

<Purpose> 1. Make user aware of his own activities. 2. Find out how much time is wasted in which activity 3. Stick to a routine if desired 4. Avoid certain activities at certain times 5. Measure time spend on certain activity on a certain time and determine if certain habit needs to be changed 6. Condition for a routine habit, like leaving office in time or take short breaks 7. Increase awareness of time and habits 8. Increase productivity in a manner which is comfortable for the user and does not stretch him beyond healthy limits <Philosophy> सुखस्य मूलं धर्म:। धर्मस्थ मूलमर्थ:। अर्थस्य मूलं राज्यम्। राज्यमूलमिन्द्रियजम:। The root of happiness is Dharm (righteous living). Root of Dharm is good economy. Root of economy is Kingdom. Root to a good kingdom is a King who is Jitendriya (someone who has control over his senses)

LogsGrep is a unique, grep-like utility designed specifically to target log files containing multi-line entries. The primary target is Java log files (Log4J, common, ...), where it is very common to have multiline log entries (for example log entries with a stacktrace). It follows Unix philosophy, does only its primary job and expects its input to be generated by other more advanced tools (tail, cat, type, find...); There is no goal to be compatible with Unix grep. LogsGrep is written in the Java programming langue having performance and low resource usage in mind (no strings, no object creation, stream-processing).

PlayBilling is a webbased billing system for internet cafe and wireless hotspot provider mostly written in Java featured with: tariff management, prepaid, postpaid and discounts, user management and extensive reporting system

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.

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)

Uberviewer is a java/swt log processor for Uberlogger (a kernel-based observatory). It allows real-time analysis of a remote OS, including process and I/O monitoring. This tool is intended to be helpful for security researchers and malware analysts.

An open source data version repository model based on true INSERT only logic. Contains high performance support for data versioning and history. Enables point-in-time query and CDC sourcing including mapping each change to a transaction.

qb4j (pronounced 'cube for j') is the first open source multi-dimensional logging framework for Java coupled with an OLAP analytical platform. qb4j doesn't create log files. It creates log cubes (or cube logs).