Cross platform (lin/win/mac) geographical information system (GIS)
Toolkit for working with and mapping geospatial data
GWC is a tile server and caching proxy written in Java
My OSM projects in bus routings and 30 Districts reallocated
Minimalistic wide-open GPS-locator/tracker
Google Earth Enterprise - Open Source
Q-Rap (www.QRap.org.za) is a Radio Network Planning plug-in for QGIS
Multiplatform Ham Radio APRS and Mapping Program
Dendrochronological sample measurement, curation and analysis program
See you and your friends on a map
FAA digital chart viewer for iPhone and iPad
Ready-to-use appliance for GIS, Data Mining and Analysis, Modelling...
Tile Cache Server
GPSBabel converts and transfers data like waypoints, tracks & routes.