Quizzer is a program written in Java that allows you to have an XML file with questions and answers, and Quizzer will test you on those questions and answers. Right now, it only supports fill-in-the-bank or (question/answer) question types. It is available under the GNU GPL, and is free to use.

What is Quizzer?

How to write quizzes in XML

How to get the CVS sources

Quizzer Project Page