QuickTime Player

QuickTime Player screenshots

A universal media player developed specifically for Mac OS X by Apple, Inc.
QuickTime Player 10.0 : Movie Inspector + Export Progress Windows

Alternative downloads

Flip Player
3.3.8.1
This application lets you play videos of various formats on your Mac.
HeldenViewer
1.0.2
FREE
Search, download and view Youtube videos.
MacX iPod DVD Ripper
4.0.0
Best iPod DVD ripper for Mac to rip DVD to iPod Touch, MP4, MOV, M4V, Apple TV.