Related Websites and Blogs

Websites

http://www.vividsolutions.com/ - Vivid Solutions, the company that created the original version of JUMP
http://sourceforge.net/projects/jump-pilot - Sourceforge website for infos about OpenJUMP development (bugs, feature requests and team)
http://jump-pilot.sourceforge.net/ - website of the Jump Pilot Project
de : http://www.openjump.de/ - A site dedicated to OpenJUMP in german
fr : http://geo.michaelm.free.fr/ - A site with OpenJUMP resources in french
it : http://arbores.wikidot.com/ - Some italian ressources for OpenJUMP and Kosmo
deeJUMP - Version with better support for OGC standards (and projection support); for download also here
SkyJUMP by Larry and Bob has some other nice features, focusing on CAD like editing ;)
KOSMO - Corporate Open GIS Platform (Spanish)
What is GIS? - GIS Basics by the OpenContent GITTA e-learning project

BTW: Our lovely icons are from http://www.famfamfam.com/ ..thank you James :-)
de : https://www.egger-gis.at/openjump/ - Lecture in German about OpenJump GIS and gis data with unknown coordinate system (with English abstract)