Kudu is the engine behind git/hg deployments, WebJobs, and various other features in Azure Web Sites. It can also run outside of Azure.

The host/runtime that powers Azure Functions

Handling GPS files: TCX, FIT, GPX

A C# .NET application to read .FIT, .TCX, .GPX cycling activity data files and upload them to RunKeeper, Strava, RideWithGPS and GarminConnect.

A .NET Library for FIT (Flexible and Interoperable Data Transfer) files, used by Garmin and other fitness devices

Windows Shell Extension to allow previewing of FIT files