OpenJUMP
OpenJUMP

What is OpenJump?


”JUMP is a computer program that uses a unified mapping platform as a visualisation framework … ” (changed ESRI key note on What is GIS? by M. Bobzien)

:o) But to be a bit more serious..

OpenJUMP is an open source GIS software written in Java. It is based on JUMP GIS by Vivid Solutions

First of all… => see also here
Further.. OpenJUMP adds some key enhancements to the original JUMP software
including

OpenJUMP is the result of a larger umbrella project called the JUMP Pilot Project (JPP). The OpenJUMP network consists of english speaking Jump-Pilot Project, the french Projet SIGLE, the german University of Osnabrück project Pirol, the companies Lat/Lon GmbH (producers of the deegree web map server) and Integrated Systems Analysts, Inc. ; and a number of others, such as freelancers, people from municipalities, reserach institutes and universities (University of Zurich, EPFL, Ostrava University, Hafen-City University Hamburg,... ).
A list of contributers can be found here


Acknowledgments
We like to thank VividSolutions Inc., especially Martin Davis and Jon Aquino for giving us a free and opensource GIS and for their constant support in the further JUMP development.