SheerSEO - SheerSEO helps you to track Google Search Engine Rankings for critical keywords. PageRank, Back Links and more.
PPC Gear - Instantly find where you lose money in Google Ads
iSpionage - AdWords competitor keywords with the click of a button and monitor competitor PPC landing pages.
PPC Ad Lab - Get real-time Google Ads data from any location (even zip codes).
GrepWords - Grepwords is an API-first Google Keyword Suggestion Tool.
Snapchat Ads - Snapchat's official self-serve ads manager