To remove almost all the software installed by ezcap VideoGrabber, run the "ezcap VideoGrabber Uninstall" application. ezcap VideoGrabber Uninstall will remove all the kernel extensions, startup items and QuickTime components related to the ezcap VideoGrabber software.

The following folders will not be removed:
~/Library/Preferences/Forward Video Preferences

The ~/Library/Preferences/Forward Video Preferences folder is left intact in case you wish to reinstall the software at a later date. 
However, this folder may also be dragged to the Trash if desired.