No specific info about version 6.4. Please visit the main page of Blackmagic Videohub on Mac Informer.
This program includes drivers, plug-ins and applications for your UltraStudio.
It indicates the status of your Router and allows you to access your settings.
µH Router allows multiple applications to share a microHAM keyer device.
Router IP Address is a small application for discovering the dynamic IP address.
Roger Router is a call monitor, journal and address book tool.