No specific info about version 5.0. Please visit the main page of Adobe Extension Manager CS5 on Mac Informer.
It lets you create motion graphics and visual effects with the industry standard
StuffIt Archive Manager organizes your archives into collections.
With Adobe Extension Manager you can install and manage new extensions.
Implement virtual devices on your Mac using DriverKit.
Adobe Application Manager wraps CS6 applications as MSI or PKG packages.