Klear Chrome Extension - Find influencers right in your twitter feed
The Influencer Marketing Stack - Free resources to launch a killer campaign
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.
inzpire.me - An end-to-end solution for influencer marketing
Assmb.ly - Powered by intelligent technology, we’re delivering the content readers need, exactly when they need it, across four dynamic brands (and counting).
Twtrland - Build your twitter presence and connect w/ influencers