Development:
Sven Kralisch, Christian Fischer, Christian Schwartze,
Robert Riedel, Christin Michel, Ronny Berndt

Support:
Peter Krause & FSU/DGHM Team      
Olaf David & USDA/ARS Team

Libraries:
GeoTools (http://www.geotools.org)
JTS Topology Suite (http://www.vividsolutions.com/jts)
JScience (http://jscience.org)
WorldWind (http://worldwind.arc.nasa.gov)
JFreeChart (http://www.jfree.org/jfreechart)
H2 Database (http://www.h2database.com)   
Apache Commons (http://commons.apache.org)
JAMA (http://math.nist.gov/javanumerics/jama)  
JAI (http://jai.dev.java.net)
Java3D (https://java3d.dev.java.net)
VecMath (http://vecmath.dev.java.net)
... and others
                                                       