FDx SDK Pro for Windows

FDx SDK Pro for Windows screenshots

It is a program that provides low-level APIs for Fingerprint Capture
Project Window
FDx SDK Pro for Windows 3.7 : Project Window

Alternative downloads

Neurotechnology Free Fingerprint Verification SDK
It can add fingerprint verification functionality into various applications.
Google YouTube SDK for .NET
YouTube SDK for .NET allows you to use google api for youtube scripts.
AdDuplex Universal SDK
It is a cross promotion network for Windows Phone and Windows Store apps.