CrmAdo is an ADO.NET data provider for Dynamics Crm.

It allows you to use standard ADO.NET code to interact with a Dynamics CRM 2011 / 2013 / 2015. This is often a million times quicker and easier than using the Dynamics CRM SDK directly. To Get Started see: here or you can also check the wiki

Available on NuGet

You may also be interested in the companion Visual Studio Extension available here