OpenJUMP GIS is described as 'OpenJUMP is an open source Geographic Information System (GIS) written in the Java programming language. It is developed and maintained by a group of volunteers from around the globe'. There are more than 10 alternatives to OpenJUMP GIS for a variety of platforms, including Windows, Linux, Android, Mac and iPhone. The best alternative is QGIS, which is both free and Open Source. Other great apps like OpenJUMP GIS are GRASS GIS (Free, Open Source), ArcGIS (Paid), gvSIG Desktop (Free) and SAGA GIS (Free, Open Source).
QGIS, formerly Quantum GIS, is a user friendly open source Geographic Information System (GIS) licensed under the GNU General Public License that runs on Linux, Unix, Mac OSX, and Windows and supports numerous vector, raster, and database formats and functionalities.
GRASS GIS (Geographic Resources Analysis Support System) is an open source, free software (FOSS) Geographical Information System (GIS) with raster, topological, vector, image processing, and visualization functionality.
ArcGIS is geographic information system (GIS) software for visualizing, managing, creating, and analyzing geographic data. Using ArcGIS, you can understand the geographic context of your data, allowing you to see relationships and identify patterns in new ways.
gvSIG is a Geographic Information System (GIS), that is, a desktop application designed for capturing, storing, handling, analyzing and deploying any kind of referenced geographic information in order to solve complex management and planning problems.
uDig is a GIS software program produced by a community led by Canadian-based consulting company Refractions Research. It is based on the Eclipse platform and features full layered open source GIS. It is written in Java and released under GNU Lesser General Public License.
Supergeo Technologies Inc. is global leading GIS software & total solution provider. With series GIS products covering from desktop, mobile, server to developer SDK, SuperGIS has been utilized more than 100 different countries.
Azimap is a web GIS developed on open source principles and offers GI professionals with the tools to visualise, analyse and share their spatial data on the web. Azimap provides customers with desktop capabilities on the web.
Vector Based Spatial Analysis Graphically create and edit geometric data, as with a CAD program Import Shapefiles and OpenStreetMap data Use raster images as background and a CAD drawing as an overlay Transform coordinates based on the Proj4 library.