You can download testCommander 5.0 from our software library for free. The program is included in Education Tools. The actual developer of the free software is e-Testing Systems.
From the developer:
TestCommander is a database-driven program which enables you to convert your paper or word processor based tests to a computer-driven test format.
You may want to check out more software, such as test.commander, which might be similar to testCommander.