Mondrian is an OLAP (online analytical processing)
database written in Java. It implements the MDX
language, and has support for JOLAP and XML for
Analysis. It reads from SQL and other data
sources, and aggregates data in a memory cache.
JPivot is a JSP custom tag library that renders
OLAP tables and charts. It allows users to perform
typical OLAP navigation, such as drill down,
slice, and dice. It uses Mondrian as its OLAP Server.
An API to be used with jQuery.
An interactive symbolic-numeric system dedicated to celestial mechanics.