uDig

Spec sheet

Purpose

uDig is an open-source desktop GIS framework for accessing, editing, and viewing GIS data.Read 9 Oct 2026 · udig.github.io

Deployment

uDig can run as a standalone application, be extended with Eclipse RCP plug-ins, or be used as a plug-in in an existing RCP application.Read 8 Oct 2026 · udig.github.io

Support

The project lists a user mailing list, developer mailing list, issue tracker, and IRC channel #udig as community resources.Read 9 Oct 2026 · udig.github.io

License

The project describes uDig as open source under the EPL and BSD licenses.Read 9 Oct 2026 · udig.github.io

Architecture

uDig is built with Eclipse Rich Client technology and can run standalone, as an RCP plug-in, or be extended with RCP plug-ins.Read 9 Oct 2026 · udig.github.io

Data sources

The user guide documents adding layers from shapefiles, PostGIS, WMS, and WFS.Read 8 Oct 2026 · udig.github.io

Databases

The user guide says uDig handles databases such as PostGIS, Oracle, and DB2.Read 8 Oct 2026 · udig.github.io

Desktop platforms

The project describes uDig as a thick client running natively on Windows, Mac OS/X, and Linux.Read 9 Oct 2026 · udig.github.io

File formats

The user guide lists GeoTIFF, GML, Shapefile, and World Plus Image among supported spatial file formats.Read 9 Oct 2026 · udig.github.io

Import and export

The guide documents importing CSV and KML and exporting feature layers to KML and raster coverage to TIFF or ESRI ASCII.Read 8 Oct 2026 · udig.github.io

License cost

The user guide says the EPL and BSD licenses allow organizations to use the project with no per-seat license.Read 8 Oct 2026 · udig.github.io

Licensing

uDig is open source and distributed under the EPL and BSD licenses.Read 8 Oct 2026 · udig.github.io

Local data handling

Files are read from disk rather than imported into uDig, and the guide says moving data off network drives may improve performance.Read 9 Oct 2026 · udig.github.io

Map editing

The Map Editor lets users visualize and edit spatial information organized as layers.Read 9 Oct 2026 · udig.github.io

Maps and editing

The map editor lets users visualize and edit spatial information organized into layers.Read 8 Oct 2026 · udig.github.io

Notable limit

The file-format guide cautions that many GIS formats consist of multiple same-name files with different extensions, and says all files in a set should be copied together.Read 9 Oct 2026 · udig.github.io

Project origin

The user guide says uDig originated at Refractions Research in Canada with funding from GeoConnections Canada.Read 8 Oct 2026 · udig.github.io

Release notes

The uDig 2.0 page describes that release as a bug-fix release and says it upgraded GeoTools to the 14.1.x series.Read 9 Oct 2026 · udig.github.io

Spatial operations

The Spatial Operations extensions include buffer, clip, dissolve, fill, hole cut, intersect, polygon-to-line, spatial join, and split operations.Read 9 Oct 2026 · udig.github.io

Spatial toolbox

The Spatial Toolbox can execute tools from loaded libraries on resources displayed in uDig; the guide describes loading OMS3-based JGrasstools modules.Read 9 Oct 2026 · udig.github.io

Styling

The Style Editor supports editing layer appearance and importing or exporting SLD style settings.Read 9 Oct 2026 · udig.github.io

Web services

The project says uDig consumes geospatial services including WMS, WFS, WPS, GeoRSS, KML, and tiles.Read 9 Oct 2026 · udig.github.io

Where Specifiction places it

• GIS Software#39 of 646.9
• Geographic Information Systems#17 of 196.9