Make My Persona - A free buyer persona generator
SE Ranking - All-in-One cloud-based SEO software for agencies, marketing teams and webmasters
Kuhcoon - Fully automated, performance-driven Facebook ad campaigns
DeskAlerts - Send alerts to any corporate device: PCs, phones, tablets, etc.
Twitter Audience Insights - Loads of info about your followers, their interests, & more
SEMRush - All-in-one Marketing Toolkit for digital marketing professionals.