How does a test drive differ from a free trial?
1) A test drive uses a read-only org, while a free trial uses a writeable org.
2) Test drives include sample data, but free trials don't.
3) A test drive is available on every listing, but a free trial may not be.
4) To start a test drive, you contact the provider, but to start a free trial, you click Get It Now on the listing.