SEMRush - All-in-one Marketing Toolkit for digital marketing professionals.
Minter.io - Instagram Analytics. Twtitter Analytics. Facebook Analytics
SEOmator - SEO website analysis & audit tool
Instagram Analytics by Socialinsider - Get better at Instagram marketing by studying competition
Moz - Backed by industry-leading data and the largest community of SEOs on the planet, Moz builds tools that make inbound marketing easy.
HypeAuditor - All-in-one Influencer Marketing Platform