FIT Dashboard: Free Desktop App for Offline Garmin Data Analysis

FIT Dashboard is a free, open-source desktop app that processes your Garmin FIT files locally, with zero data sent to the cloud. It parses telemetry using Rust, stores everything in DuckDB, and runs entirely on your own machine. If you've ever been uncomfortable with third-party platforms sitting on years of your training data, this is worth your attention.

The app supports interactive charts, route maps, and side-by-side activity comparison. That last feature is genuinely useful for endurance athletes who want to stack a race effort against a training run or compare two identical routes across different fitness blocks. Garmin Connect does some of this, but it's browser-dependent and pushes you toward its own ecosystem.

On the privacy side, this is a real differentiator. Platforms like Strava, Runalyze, and TrainingPeaks all require an account and upload your data to remote servers. FIT Dashboard keeps everything local. For athletes who log sensitive training data or just prefer offline tools, that matters.

The tool is currently desktop-only and aimed at users comfortable with a slightly technical setup. It won't replace Garmin Connect for real-time syncing or coaching features, and it has no integration with Whoop, Polar, or Coros file formats yet. But for Garmin users who want raw, private, and free analytics, it fills a gap nothing else quite covers.

Solid tool. Free, private, and built for athletes who want control over their own data.