The Influencer Marketing Stack - Free resources to launch a killer campaign
Syften - Better social media keyword alerts
Top Instagram Influencers Ranking - Curated directory of Instagram bloggers by country&category
mention - Media monitoring made easy with Mention. Create alerts on your name, brand, competitors and be informed in real-time of any mention on the web and social networks
Insense & Paid Media - Find creators for short-term and long-term partnerships
Google Alerts - Google Alerts will send you email or RSS updates of the latest relevant Google results (web, news...