icon GPSdings

GPSdings is a java 1.5 command line tool for the manipulation and analysis of track and waypoint data recorded with a gps receiver. GPSdings is free software (GPLv3).
It comprises the following applications.
You can download gpsdings from its sourceforge project page. It is also the preferred way to submit bugs and feature requests.
If you want to learn how to use gpsdings in practice have a look at the detailed usage example.
There is also a list of free third party software that I use together with gpsdings.