It was very disappointing to have purchased hardware (AD3) from Digilent, and then later discover that in order to download the software required to be able to use the AD3, customers appear to be REQUIRED to create a Digilent account, which also requires the customers to enter into a legally-binding agreement. Digilent is the only test equipment company I know of that doesn’t let customers (or anyone, for that matter) download control software for their instruments, without requiring creating ac