Navigation and transit.
Open Source Marine Chart Plotting Program
GeoData Web Editing [core SIG Web]
A collection of well documented ENVI / IDL algorithms and applications
Land survey field crew data management for .RAW and .JOB file types.
Java Swing component for integrating OSM maps into your Java app.
OTB is an open-source C++ library for remote sensing images processing
NMEA libary for java (protocol of GPS devices)
QNetMap is the library for displaying the map and the objects on it
Raster layer editing toolbar for ArcMap 10.x
Shortest Path Navigator with Directions and Distance
A software for processing and analyzing time series in Earth Science
Software for distance cartogram creation
Free image and chart digitizer
A software to manipulate RINEX 3 files
LGPL GML parser