Open Source Java OLAP Software

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Mondrian is an OLAP (online analytical processing) engine written in Java. It reads from JDBC data sources, aggregates data in a memory cache, and implements the MDX language and the olap4j and XML/A APIs.

olap4j is an open Java API for connecting to OLAP servers and writing analytic applications. Code is at https://github.com/olap4j/olap4j.

OpenI plugin for Pentaho CE provides a simple and clean user interface to visualize data in OLAP cubes. It supports both direct Mondrian and xmla based connections like Microsoft SQL Server Analysis Services (SSAS), plus provides add-on features like Explore Cube Data, custom SQL for drillthrough data, publishing drillthrough data to external web services etc.

Google Web Toolkit-based tool for publishing user-friendly OLAP views, reports and dashboards. Uses Mondrian OLAP and a relational database as the back-end.

The PalOOCa Project offers a fast, flexible and intuitive Office-based Business Intelligence solution based on Jedox. It provides an extension for OpenOffice.org Calc which allows both, read and write, access to data from within the Jedox OLAP Server via Calc. If used together with the Open Source Jedox/Palo OLAP Server it completes the Open Source MOLAP-Stack for Business Intelligence. Additionally to Jedox OLAP it is also (read-only) compatible to (almost) all OLAP servers supporting XMLA. Intended audiences are: - scientific research & teaching - financial analysis & controlling Consult the FAQ in the Wiki.

La_Azada is an OLAP client developed in java (Eclipse Rich Client Application), and based on olap4j. Supports mondrian and XMLA drivers.

LucidDB is a DBMS optimized for business intelligence. Besides architectural innovations such as column-store, it supports many advanced features from SQL:2003, including SQL/MED and user-defined transformations written in Java.

Palo ETL Server is a Java based Tool for Extraction, Transformation and Loading of mass data into the Palo OLAP Server. Palo ETL Server is one part of the Palo Suite.

Pretty Damn Quick (PDQ) analytically solves queueing network models of computer and manufacturing systems, data networks, etc., written in conventional programming languages. Generic or customized reports of predicted performance measures are output.

911 Call Tracker is a Java app that tracks 911 phone calls. It provides detailed reports of: calls per operator/answer times, abandoned calls/ring times, calls over answer limit and more. Provides real-time access to call info,TDD,address, and cell info.

Advanced Analysis Services is a Business Intelligence (BI) tool to let users analyze OLAP sources like Pentaho, Mondrian, Microsoft Analysis Services (MSAS) or Hyperion, in an intuitive way, based on analysis templates like Paretto, Ranking and BCG

With Alfresco Audit Analysis and Reporting (A.A.A.R.) is provided a solution to extract, store and query audit data together with the document/folder informations at a very detailed level, with the goal to be useful to the end-user in a very easy way. To reach that goal, to make the data more friendly for the end-user, the data are published in reports in well-known formats (pdf, Microsoft Excel, csv, etc.) and stored directly in Alfresco as static documents organized in folders, versioned, authorized and published. On the top of the A.A.A.R. solution, the A.A.A.R. Analytics is a set of powerful tools to analyze data in an interactive and customizable way with a user console composed by dashboards, reports and free analysis.

AlphaMiner is an open source data mining platform that offers versatile data mining model building and data cleansing features with an user friendly workflow interface.

BIOLAP - OLAP for Genome and Biology Data Sets. This project extends Mondrian OLAP to biology data sets. We provide tools to slice and dice genomic sequence similarities and more easily explore large genomic data sets.

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

Reporting solution that collects data from multiple MySQL databases and presents important metrics and reports related to performance and usage.

Creating beautiful dashboards and thousands of reports that can be embedded into your application can be easily done with Caxpy. Its a very lightweight application which can be used to create reports from just plain SQL queries.

Chaman is a web-based, relational OLAP tool, built over Apache Cocoon.

DeciGen is an ERP with added features for help in decision making process. DeciGen incorporates Decision Support System over an framework of ERP to provide a feature rich solution. It aims to achieve the final goal of IT - to run business smoothly. Dec

FreeAnalysis is a complete java (Eclipse RCP) and Web 2.0 (Dojo) application that provide Olap functions against Pentaho Mondrian Olap Server and other MDX/XMLA compliant cubes datasources such as Microsoft Analysis or Hyperion.

Please us FREEANALYSIS Project On SourceForge for last releases - FreeOlap (now FreeAnalysis) is a complete java (Eclipse RCP) and Web (Apache Shale) application that provide Olap functions against leading Mondrian Olap Server. FreeOlap audience are user

Billing system solution. Library for credit card/ACH processing, recurring billing and subscription management for member and donor centered organizations. Provides a way for POS / retail / recurring credit card and bank account processing.

JBAM is open source Business Activity Monitoring system based on J2EE technology. Able to work with any commercial/non-commercial workflow engine, because of its generic architecture

JMagallanes is an open source end user application for Olap and Dynamic Reports written in Java/J2EE. Combines static reports, pivot table and charts. It reads from SQL and other data sources.