Some scripts I've thrown together to analyze my Garmin data.

Downloads gpx, tcx or original fit files from your Garmin Connect Account.

Make your garmin data yours again!

Download, archive, cloud-backup and auto-import your activities from Garmin Connect to Golden Cheetah.

Fetch activity and wellness data from Garmin Connect. On a AWS CloudNative infrastructure

GPX parsing library for the Go language which also support all Garmin extensions

Garmin Tcx file Analyzor and Generator for .Net

Personal heatmaps for GPS data from Strava, Garmin Connect, and Polar.

A website to help with the export of routes from MapMyRun and the import to Garmin Connect.

Graph marine tracking data from a GPX (GPS tracking file) on graphs showing time and speed as color. Designed for use with Garmin Quatix watches but it should work with any GPX file. Warning since this is for marine use (racing sailboats) it does not take altitude into account.

Import data from GarminConnect to Notion database

PyFIT is a library that allows reading .FIT files into Python.

Power BI Analytics from personal Garmin data

Initial description in Russian is available here in the Tutorial acrticle https://habr.com/ru/post/662912/

Upload / Synchronize data from Garmin watch to Garmin Connect on linux

Reverse TCX files

Useful Powershell Scripts

Wearable API to integrate with main market devices like Garmin, Polar and so on.