The FIT C# SDK is now available from NuGet
https://www.nuget.org/packages/Garmin.FIT.Sdk
The source code for the FIT C# SDK is also available in GitHub
https://github.com/garmin/fit-csharp-sdk
The FIT C# SDK will continue to be available from the Garmin Developer site
https://developer.garmin.com/fit/download
The FIT C#, Java, JavaScript, Objective-C, and Python SDKs are now all available through their respective package managers and GitHub.
FIT C# SDK
https://www.nuget.org/packages/Garmin.FIT.Sdk
https://github.com/garmin/fit-csharp-sdk
FIT Java SDK
https://central.sonatype.com/artifact/com.garmin/fit
https://github.com/garmin/fit-java-sdk
FIT JavaScript SDK
https://www.npmjs.com/package/@garmin-fit/sdk
https://github.com/garmin/fit-javascript-sdk
FIT Objective-C SDK
https://github.com/garmin/fit-objective-c-sdk
FIT Python SDK
https://pypi.org/project/garmin-fit-sdk
https://github.com/garmin/fit-python-sdk
All FIT SDKs will continue to be available from the Garmin Developer site
https://developer.garmin.com/fit/download
