PullTube screenshots

PullTube is a beautiful online video downloader for your Mac
Add Links Window
PullTube 0.1 : Add Links Window

Alternative downloads

YouTube to MP3
It offers to download YouTube or other online videos and save the audio in MP3.
Bigasoft Video Downloader Pro
This app allows you to download online video, Audio in HD, 3D or SD on Mac.
4Media Online Video Downloader
Download videos from different websites.