I'm thinking of making a fresh install of macOS, when Sierra is being released. Is there a method to minimize reconfiguration and installation of software that is currently running on my iMac? I'm running the 3rd macOS on my iMac atm, only upgrading the system with every new release and i have piled up a clutter of old software (and profile data) everywhere on my system. I would like to have a fresh start without having to install and configure every bit of software, script and so on again. My system is constantly backed up with TM, so the current system is always available.