Facebook Ad Hunter - Facebook Ad Hunter uncovers hidden audiences to target when running Facebook Ads.
Grade My Ads - Score your Facebook ads + improve them, in seconds.
Audience Kitchen - Unlock 95,000+ ad targeting options in Facebook & Instagram
Scalify - Helping Businesses Maximize Ad Profits
AdEspresso - Optimize your Facebook Ads Easily, Like Morning Coffee
InterestExplorer - Discover 1000's of hidden Facebook interests to target.