The PandaDoc .NET SDK by Richard Downer interacts with the API to send documents for eSignatures via backend and embed. It includes basic usage and login. Code displays how to create, get, and send a new document.
The Bandsintown .NET SDK by Damian Karzon interacts with the API to access music events features, including artists and venues. Author's .NEt client available at http://dkdevelopment.net/2010/04/29/smack-my-bitsharp/
The Teleport .NET SDK by Mark Embling interacts with the 3D Hubs Teleport API. Authentication and callbacks allow developers to access data, useful to integrate moving planning features into applications.