ClipGrab

ClipGrab screenshots

This app helps you download clips from various video sharing websites.
ClipGrab 3.4 : Downloading YouTube Clip

Alternative downloads

MediaHuman YouTube Downloader
3.9.9.45
This app lets you download YouTube clips with just a few clicks.
Apowersoft Video Downloader for Mac
1.8.9
This program helps you download online videos on your Mac.
Aimersoft YouTube Downloader for Mac
5.4.6
This app lets you download and convert YouTube clips on your Mac.