Automotive

Driving-Tests.org 
Practice sample permit tests for free as many times as you need, until you are ready to take the real DMV test.  You can also download the current year Oklahoma driver's handbook, motorcycle handbook, and Commercial Driver's License handbook.

Driver Education
Driver education resources from the State of Oklahoma. Access the most recent driver manual and other forms.

Kelley Blue Book 
Find the resale value of your car.