RaspberryIO

Pi's hardware access from Mono
The Raspberry Pi's IO Functionality in an easy-to-use API for Mono/.NET/C#. Our mission is to make Mono a first-class citizen in the Python-centric community of Raspberry Pi developers.

WaveShare Fingerprint Reader

Library Features

• All documented commands are implemented (2018-06-25)
• Operations are all asynchronous
• No dependencies
• Nice sample application included for testing
• MIT License

Raspbery Pi - libpigpio for .net

Provides complete managed access to the popular pigpio C library
The premise is simple: using the powerful features of C# to control the ARM peripherals of the Raspberry Pi.
This library provides a comprehensive way to access the hardware of the Pi.

SparkFun Fingerprint Reader (GT-521Fxx)

Full implemented async commands for .NET (Mono and .NET Core too).

TinySine USB/Wireless Relay Module TOSR1x - Interfacing Library for .NET

Full implemented async commands for .NET (Mono and .NET Core too).

libfprint-cs

The long-awaited C# (.net/mono) wrapper for the great fingerprint reader interfacing library libfprint Note: A few people have reported a System.DllNotFoundException being thrown at runtime. This is a Linux project. There is no libfprint.dll for Windows