SocialBook Checker VS Influencers by Buzzbomb

InfludB - Find the right influencer to collaborate with

Publicfast - The first influencer marketing platform for Periscope

Onalytica - Onalytica is a powerful software solution that specializes in providing influencer relationship management software and supporting a variety of professional services to help brand scale one-to-one influencer relationship management results.

Social Animal - Social Animal is a Content Marketing Tool to find Trending content, Influencers & Generate ideas. Helps Create strategies for Content & Social Media Marketing.

ContentMarketer - ContentMarketer.io is a tool that marketers use to promote content, increase traffic, and build relationships.

Klear Chrome Extension - Find influencers right in your twitter feed