Quantum GIS

Quantum GIS (QGIS) is a user friendly Open Source Geographic Information System (GIS) that runs on Linux, Unix, Mac OSX, and Windows. QGIS supports vector, raster, and database formats. QGIS is licensed under the GNU General Public License. QGIS lets you browse and create map data on your computer. It supports many common spatial data formats (e.g. ESRI ShapeFile, geotiff). QGIS supports plugins to do things like display tracks from your GPS. QGIS is Open Source software and its free of cost (download here). We welcome contributions from our user community in the form of code contributions, bug fixes, bug reports, contributed documentation, advocacy and supporting other users on our mailing lists and forums. Financial contributions are also welcome.

Newsflash

Quantum GIS Version 0.11.0 has been released. It is available in source form, and as binary executables for Microsoft Windows, Mac OS X, and GNU/Linux. All versions can be obtained from our download page. If the version for your platform is not available please check back in a day or two as some packages are still being built.

PostGIS 1.0 Support

The PostGIS 1.0 release candidates do not work with QGIS 0.6. A patch is available for those that want to use PostGIS 1.0 and build QGIS from source.

Download the patch from the Files section.

Apply the patch from the top level of the QGIS 0.6 source distribution using: