Simple, powerful, first-party analytics for Rails
Stream Processing and Complex Event Processing Engine
Apache Polaris, the interoperable, open source catalog
High-performance, open source distributed transaction solution
Toolkit for working with and mapping geospatial data
Pentaho offers comprehensive data integration and analytics platform.
An interactive viewer for three-dimensional chemical structures.
Big Data Stream Analytics Framework.
JaxoDraw: Feynman Diagrams made easy!
Draw vector graphics to scale using a descriptive language
ReportServer is a modern and versatile business intelligence platform
Autoplot is an interactive browser for data on the web
High-speed, 3D-friendly, TightVNC-compatible remote desktop software
ETL engine based on Groovy
A premier mind-mapping software written in Java
NBi is a testing framework (add-on to NUnit)
Optical Design Software for simulating systems of lenses, prisms, etc.