LeadDelta - LeadDelta will help you to grow, manage, and engage your Linkedin connections. Cut through the noise and create new opportunities in your network.
Content Marketing Stack - A curated directory of content marketing resources
Entro - The holy grail of email introductions
Insense & Paid Media - Find creators for short-term and long-term partnerships
TreeLine - TreeLine just stores almost any kind of information.
Top Instagram Influencers Ranking - Curated directory of Instagram bloggers by country&category