Publicfast - The first influencer marketing platform for Periscope
Dovetale - Find and work with influencers using image recognition
Klear Chrome Extension - Find influencers right in your twitter feed
Rep - Influencer marketing made easy
Social Animal - Social Animal is a Content Marketing Tool to find Trending content, Influencers & Generate ideas. Helps Create strategies for Content & Social Media Marketing.
The Influencer Marketing Stack - Free resources to launch a killer campaign