Influencer Analytics by Interceptd - Gain control of your influencer campaigns
Site Rank Data - View historical rank information of websites via time series charts.
F*** You Pay Me (Beta) - Made by influencers, for influencers.
Q-Stats - Get free marketing insights for every question on Quora.
Arena Calibrate - Everything you need to maximize your data & reporting potential
Seoxan - check seo report for any website, alexa ranking, server information, meta tags, authority, page speed and more