Dock4Droid

Dock4Droid is the first Dock task manager for the Android platform. You can quickly access your running tasks from anywhere you currently are in your phone and launch new apps from the current screen. Icons are rendered in a wave-like parabolic view and tasks are accessed by sliding your finger on the dock.

Now you can add custom launchers and exclude apps from the Dock.

This app is a lite version but fully functional. In the paid version you may access all sort of different settings, including: unlimited number of launchers and exludes, background color, exponential curve, maximum number of icons, icon offset etc...