PPC Gear - Instantly find where you lose money in Google Ads
Keyword Discovery - Keyword Discovery is a keyword research and analysis tool.
PPC Ad Lab - Get real-time Google Ads data from any location (even zip codes).
iSpionage - AdWords competitor keywords with the click of a button and monitor competitor PPC landing pages.
Snapchat Ads - Snapchat's official self-serve ads manager
GrepWords - Grepwords is an API-first Google Keyword Suggestion Tool.