GPX2IMG allows users to imports standard GPX data files (tracks and waypoints) and lets you edit them. Then you can converts your track and waypoints to IMG Garmin map-compatible format by a few clicks of the mouse. You can installs the map file into MapSource or upload to your Garmin GPS unit

» Read more: GPX2IMG : Convert GPX Files to Garmin Map Format

Download ATOM GPS its Free!! Atom GPS is a freeware  to simply geotags your photos directly from your camera or your GPS track log. Easily connect your GPS Device to Atom GPS, and select your photos, you can add your geolocation with a single click. This action allows you to write the geolocation data to photos EXIFS (information stored about your pictures including date, time and other such information about your photos). This free GPS software  supports all popular digital cameras and GPS devices and GPS log files! By geotagging your photos, you can be sorted by geographical location, easy to navigate, and also upload photos to Google Earth, Google Maps, Panoramio, locr, Flickr.

» Read more: Geotagging your photos with ATOM GPS

Here is list 49 GPS Software for Linux, open source freeware available for free download.

» Read more: GPS Software for Linux

If you want to bring google earth KML / KMZ data for your ride, this is how to convert the KML/KMZ file to a generic GPX file with useful tools to transfer waypoints, routes and tracks between KMZ/KML and GPX format for your GPS. GE2GPX is application to converts points from KMZ or KML to GPX format, then upload to your GPS using any software provided by your GPS’s manufacturer.

click to enlarge

» Read more: Convert KMZ or KML to GPX file format

GPSBabel is a free software to transfer routes, tracks, and waypoint data to and from consumer GPS units and converts GPS data from one format to another. Over 100 supported formats include GPX, Magellan and Garmin serial and USB protocols, Geocaching *.loc, Garmin Mapsource, and Magellan Mapsend. GPSBabel has released version 1.40. Most obvious change is in the interface, was created by using Qt for the Windows, Mac, and Linux versions.

New Interface of GPSBabel 1.4.0

» Read more: Download GPSBabel 1.4.0

The Garmin Communicator Plugin is a free internet browser plugin that sends and retrieves data from Garmin GPS devices. The Garmin Communicator can send and retrieve data from any supported website and other programs, such as Google Earth.

» Read more: Sends and Retrieves Data from Garmin GPS Devices with Your Favorite Website

AgMapper is GPS mapping software for Windows Mobile device. AgMapper makes it easy to map what ever you like and share with other software by using the very common shape file formats .SHP & .KML (Google Earth) to store your mapping data.

» Read more: Create Maps using Windows Mobile Device

GPSMapView is a free application that allows you to display Waypoints, Routes, or Tracks loaded from many file formats uses Google Maps service. In addition GPSmapview can Print or export your maps in JPEG format. Four kind of maps are available to display your geographic data: simple map, streets map, satellite imagery or terrain-shaded relief map.

» Read more: GPSMapView : Display Waypoints, Routes or Tracks From Many File Formats

If you are really desperate & can’t find any other way to unlock GMAPSUPP.IMG (Garmin Map) locked map files, because software like GPSMapEdit can’t seem to be able to deal with locked map files, and its always end up with “WARNING: The map is locked. (NOTE: such maps are not supported by intention).”

Here’s how to unlock GMAPSUPP.IMG (Garmin Map) locked map files : » Read more: Unlock Garmin Locked Map Files

The Trimble® GPS Analyst™ extension for ESRI ArcGIS Desktop software  improve your productivity because it allows to work directly with GPS data in your personal geodatabase. Because the extension is provided with a set of tools for GNSS post-processing power, making the new Trimble DeltaPhase™ differential correction technology, you can be sure of GPS data is consistent, accurate and reliable.

The GPS Analyst extension allows you to differentially correct your GPS data directly inside ESRI ArcGIS Desktop software. Postprocessing gives significant improvements on your autonomous accuracy all the way down to decimeter (10 cm / 4 inch) level, depending on the environment and your GPS receiver. Using Trimble’s H-Star™ technology you can achieve decimeter accuracy with the GPS Pathfinder® ProXH™ and ProXRT receivers and the GeoXH™ 2008 series handheld. Alternatively, with a GeoXT™ or Juno™ series handheld, or a ProXT™ receiver, you can achieve optimal GPS code processing accuracy with the new Trimble DeltaPhase technology.

The GPS Analyst extension allows to correct the differential GPS data directly into ESRI ArcGIS Desktop. Postprocessing gives significant improvements on your autonomous accuracy all the way down to decimeter (10 cm / 4 inch) level, depending on the environment and your GPS receiver. Using Trimble’s H-Star™ technology you can achieve decimeter accuracy with the GPS Pathfinder® ProXH™ and ProXRT receivers and the GeoXH™ 2008 series handheld. Alternatively, with a GeoXT™ or Juno™ series handheld, or a ProXT™ receiver, you can achieve optimal GPS code processing accuracy with the new Trimble DeltaPhase technology. » Read more: GPS Analyst Extension for ESRI ArcGIS Desktop Software