I just installed the TaxHelpSoftware and used it for the first time. I think I'm in love.
It installed with NO problems. Setup was trivial. It logged me in to e-services and got three years' worth of transcripts and other information on one client in less time than it takes me to log in. Then it generated easy-to-read reports that gave me *just* what I was looking for clearly and plainly; no digging through reams of downloaded crap hoping to find what I wanted. Next to tax software itself, this is one of the best tools I have found to use.
The software is a desktop, NOT a cloud, application. It uses YOUR login information, that you put in during setup. That's how it keeps "the bad guys" from using it. The company never finds out your login credentials.