QGIS

Quantum GIS (QGIS) is a user friendly Open Source GIS that runs on Linux, Unix, Mac OSX, and Windows.

• Homepage: http://www.qgis.org/
• Download: http://download.qgis.org/downloads.rhtml

See also OpenJUMP

QGIS is written in C and uses libraries from Python, OGR, GDAL and PROJ. Can work with PostGIS and reads and writes DXF as well as Shapefiles and all those formats supported by OGR.

Tipps

• Generating (html) clickable image maps: See QGIS webpage.