32feet.NET is an open-source project to make personal area networking technologies such as Bluetooth easily accessible from .NET code.
$ dotnet add package InTheHand.BluetoothLEBluetooth Low Energy API for .NET
This library supports classes to support GATT Bluetooth connections. There are multiple providers to support several platforms. Using an explicit target platform will ensure the correct implementation is deployed. For generic net6.0 and net7.0 targets the dll contains Linux and Web Assembly providers for widest compatibility.
Further documentation, including the source, samples, current issues and Wiki are available on the GitHub repository.