Both projects are exactly similar, except they use different sources to fetch your health data. The Fitbit version has a script that fetches your health data once you enter your Fitbit account's credentials, while the version for Garmin smartwatches uses Garmin Connect. Once the data is fetched from those servers, it is stored locally in an InfluxDB database. This data is then fed to Grafana for visualization. The idea is to set up a localized solution that can be self-hosted and is completely open source, unlike the official apps from these brands. If you're wondering, the visualization suppo