TubeBuddy - The Premier YouTube Channel Management and Optimization Toolkit
Grover - Rent electronics for a month & try it before you buy.
Vid Hoarder - Find the perfect YouTube Ad placements in just a few clicks
Shelf Engine - Vendors get paid for only products they sell
TubeSift - A Game-Changing Tool for YouTube Advertisers - TubeSift enables you to quickly extract extensive lists of highly relevant and popular YouTube videos with monetization enabled and start showing your ads on all of those videos in minutes.
Nespresso Index - The caffeinated version of the Big Mac Index.