PluralEyes

PluralEyes works with your favorite video editing tool to instantly sync all of your multi-camera video and audio tracks eliminating complicated camera set-ups, timecode, and hours of tedious manual syncing.

Save time and money, reduce frustration, and free yourself to focus on the creative editing process.
The download link on this page yields PluralEyes version for Final Cut Pro X, for other versions please visit the developer's website.