No specific info about version 10.6. Please visit the main page of Logitech Gaming Software on Mac Informer.
It offers you controls for customizing mouse and trackpad accelarations.
Apply different settings to your mice and trackpads.
This app allows you to control your Mac with your iPhone or iPod Touch.
jigsawlite allows you to create puzzles with your own photos.
Mighty Mouse allows you to customize your cursors with style.