as-gps contains a basic support library for accessing the inexpensive ($20) Aisin-Seiki GPS Module.
Gallivant is a simple GPS and map application utilizing maps from the OpenStreetMap project.
GeoToad is a geocaching query tool to help speed up the boring part of geocaching: choosing the cache and collecting the data. It allows you to generate any kind of complex query you want, and the program will go and poll the Geocaching query, grab the data, and output it to any format you want. The Geocache info can be synced straight to your GPS, iPod, PDA, or cell phone in over 20 different formats.
gipfel is a tool to find the names of mountains or points of interest on a picture.
It uses a database containing names and GPS data. With the given viewpoint (the point from which the picture was taken) and two known mountains on the picture, gipfel can compute all parameters needed to compute the positions of other mountains on the picture.
gosmore is a program to view, search, and route using openstreetmap data.
GPS Manager is a graphical manager of GPS data that makes possible the preparation, inspection and edition of GPS data in a friendly environment. GPSMan supports communication with both Garmin and Lowrance receivers.
gps3d is a collection of utilities to manipulate a handled GPS device from your Linux box, and vizualize the result in 3D.
a simple car (bike, ship, plane) navigation system. Until now only displaying the position on a map is implemented. Gpsdrive displays your position provided from your NMEA capable GPS receiver on a zoomable map
GPS Manager (GPSMan) is a graphical manager of GPS data that makes possible the preparation, inspection and edition of GPS data in a friendly environment. GPSMan supports communication and real-time logging with both Garmin, Lowrance and Magellan receivers and accepts real-time logging information in NMEA 0183 from any GPS receiver.
gpspoint is a program to get position, down- and up-load Waypoints and Routes form your GPS to your computer.
gpstrans allows tracking and routing data to be transferred between to and from a Garmin GPS.
communicate with a GPS unit. It supports the NMEA (National Marine Electronics Association) message that reports the current latitude and longitude of the GPS unit. GPSUTIL also supports downloading and uploading waypoints from a Magellan GPS
gpx2map reads a GPS track in GPX format (as produced by e.g. gpsbabel) and writes out a Google or Yahoo! Map Mash-up containing the route. It comes in handy, for example, when you own a GPS handheld and want to know where you wandered around last time.
an OpenSource soaring-pilot-software for KDE. It is used to display, analyze and evaluate flights logged with a gps-logger
Le Petit Poucet
Le Petit Poucet is a program to display and edit GPS routes and tracks in a 3D scene. The aim is to build the scene around the GPS data and 2D maps or 3D terrain models.
Mapview is a Python map browser featuring smooth zooming between scales.
Navigatrix is a GPS navigational system for KDE.
nmeap is an extensible parser for NMEA-0183 (GPS) data, written in portable C. It has a small footprint, is portable, extensible, and I/O agnostic. It is suitable for Linux, Win32, and embedded systems.
np is a terminal based NMEA parser written in Perl.
It provides quick and flexible access to GPS data from various sources. Currently data can be read from devices, text files, STDIN or GPSD (raw mode). The list of supported sentences includes $GPRMC, $GPGGA, $GPGSA, $GPGSV and Garmin's proprietary $PGRME.
O2OO is a (OBD-II compliant) car diagnostic tool. It reads sensor data from a car into an sqlite database. It can dump the measured values, generate graphs of the data and create a spreadsheetfile (tested with Libre Office and Excel 2010).
OBD GPS Logger
OBD GPS Logger logs OBDII and GPS data. It can then take that logged data and write useful output formats.
OpenGGD (Open GPS Gateway and Database) aims to be a solution for centralizing vehicle fleet GPS information, acting as an interface among different GPS devices or their control programs and different GIS programs
Phpoi consists of a number of PHP scripts intended to handle points of interest. With phpoi, you can store points of interest in a database, put lists of those points on the Web and allow visitors to download files for GPS navigators.
QGPS is a small GPS status program written from scratch in Qt. It is designed to work with a NMEA-compliant GPS device that outputs the GGA, GSA, GSV, and RMC strings. Aside from displaying latitude, longitude, and elevation, it also reports satellite signal strength (Signal to Noise Ratio) and positions in the sky using a custom widget (QSatelliteTrack).
Linux GPS receiver software based on the Qt toolkit. This provides for simple logging of a journey, replay of a logged journey, a real-time moving map display and the ability to add and edit your own maps and features.
Roadnav is an in-car navigation system capable of running on a variety of operating systems, including Linux, Windows, and Mac OS X. It can obtain a car's present location from a GPS unit, plot street maps of the area, and provide verbal turn by turn directions to any location in the USA. It uses the free TIGER/Line files from the US Census Bureau to build the maps, along with the GNIS state and topical gazetteer data from the USGS to identify locations.
a free/open source program to manage GPS data. You can import and plot tracks and waypoints, show Terraserver maps under it, add coordinate lines, make new tracks and waypoints, hide different things, etc. It is written in C with the GTK+ 2 toolkit