This framework is used for the major banks to enable the different channels that banks use to have: internal, web, mobile, ATM, …
The old name of the product was: WSBCC-WebSphere Business Components Composer. I understand why they have changed the name of the product to BTT.
In reality this Websphere component can be used on other industries with multi-channel needs.
The original owner was IBM. It was sold to UNICOM Systems, on March 31, 2016.