The Influencer Marketing Stack - Free resources to launch a killer campaign
Google Analytics - Improve your website to increase conversions, improve the user experience, and make more money using Google Analytics. Measure, understand and quantify engagement on your site with customized and in-depth reports.
Twtrland - Build your twitter presence and connect w/ influencers
StatCounter - StatCounter is a simple but powerful real-time web analytics service that helps you track, analyse and understand your visitors so you can make good decisions to become more successful online.
inzpire.me - An end-to-end solution for influencer marketing
Matomo - Matomo is an open-source web analytics platform