There is an alternative to syncVUE, called cineSync. https://www.cinesync.com.
“cineSync version 1.1 is a major release of cineSync that introduces many significant new features, such as a playlist organiser, uploading and downloading movies from FTP sites, arrow and circle drawing tools, navigation markers, greatly improved video playback performance, transparency and Wacom support on Windows, a built-in whiteboard and blackboard, and an improved look and feel. cineSync on Mac OS X is also a Universal Binary, and now runs natively on both Intel and PowerPC Macs.”
cineSync has been available commerically since November 2005.