Totally free application developed by vtrifonov
Meditate app originally from vtrifonov with reduced functionality
GPS track editor for editing tracks and planning (multiple) day tours
GPS log file viewer and analyzer
Synthetic Vision/Sectional Maps for experimental aircraft.
Tool to work on map data, to check the data and generate your own maps
Companion application for Garmin EasyPwd widget
SRT to GPX conversion for Autoboy Blackbox Dashcam SRT files
An easy-to-use bike equipment manager and bike rides manager
eGPXviewer is a 3D GPX track viewer
Take a Google My Map KML file and convert it to a gpx for your GPS
GPS mapping and management software
Reading Position, Velocity, Time from a GARMIN GPS via native USB
Mark GPX files as found based on My Finds Pocket Query
ADM Garmin to GPX
Convert your GPX coordinates to UTM reference coordinates
Track your mobile device or cellphone via internet using OpenGTS/GPRMC
Cycling Performance Software for Linux, Mac OS X, and Windows
gfw.exe is a simple Garmin firmware manipulation utility.
A python script to upload .tcx, .fit, and .gpx files to Garmin Connect
My take on syncing Garmin Forerunner in Linux