All SecureBlackbox packages and add-ons are available for licensing under one of the following licenses:differences between various SecureBlackbox licenses.
Middleware License is a special kind of license, usually needed when you develop some component or library "for sale" (i.e. for licensing to other software developers) and use SecureBlackbox components as a part of your component or library. If this is the case, you are welcome to request information about licensing terms. Be sure to specify your planned use of SecureBlackbox and other details that might be of use in negotiations.