PPC Gear - Instantly find where you lose money in Google Ads
Keyword Surfer - Get search volumes & keyword data directly in Google.
PPC Ad Lab - Get real-time Google Ads data from any location (even zip codes).
Adtuo - Optimize Google and Facebook Ads collaboratively
AdWords Keyword Generator - Instantly generate thousands of targeted longtail keywords
Snapchat Ads - Snapchat's official self-serve ads manager