Lat/Lon (GER): developed WMS & WFS Plugin
Intevation (GER): developed PrintLayout Plugin
VividSolutions (CA): developed the basis platform of OpenJUMP
The Sunburned Surveyor (sunburned.surveyor@gmail.com) (US)
Larry Becker, from SkyJUMP team (US): developed ArcSDE plugin, a couple of Drawing Tools, Jython plugin, added a number of smaller improvements
CadPlan (AU), developed Printing Plugin and Styling Plugin
Revolution Systems Inc. (CA) : contributed GUI and data-loading improvements to OpenJUMP