OpenJUMP: a Java based GIS and programming framework
* reads and writes ESRI SHP, GML files, DXF and PostGIS (with PlugIns)
* full geometry and attribute editing
* OpenGIS Simple Features compliant
* Geometry algorithms based on Java Topology Suite
* a lot of third party plugins exists (e.g connecting to Postgis database or ArcSDE, Raster files - e.g. tiff)
* easy extensible GIS programming environment for own GIS-applications
* supports a couple of languages (EN, FR, DE, ES, PT)
* free of costs
* OpenSource licence: GPL http://www.giswiki.org/wiki/OpenJUMP
