Cross platform (lin/win/mac) geographical information system (GIS)
An open source geocoder for openstreetmap data
Interactive, thoroughly customizable maps in the browser
Spatial Statistics Libraries & Tools for GeoTools, GeoServer, uDig
Builds Garmin maps from OpenStreetMap
A software package for quantitative analysis in Panbiogeography
Workflow and set of tools for Automated Imagery Classification
Geostatistics and geosciences modeling software
The full-featured, easy-to-use desktop GIS with real processing power!
GeoData Web Editing [core SIG Web]
Web Mapping Platform
MorphoLim : identifying city boundaries
DB Query Plugin for OpenJump
Source code for ArcGIS Viewer for Flex - a great application framework
A frontend for gpsbabel