Is DbBacs freeware or a licensed product?
The DbBacs is a platform that's available through partnership with Oracle. There is information about it, but it's nowhere specified about its license. You can get details about the product using the link posted below. Access the page and then click Contact Help to get in touch with the developers in order to find out license type of the platform.
Details page: https://solutions.oracle.com/scwar/scr/Solution/SCSP-IPCYTZAF.html