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.
Lotame - Make your data actionable, learn about your most valuable customers, improve ROI by targeting the right audience and increase relevance across screens.
Matomo - Matomo is an open-source web analytics platform
V12 Data - V12 Data offers rich data sets with verified addresses and emails for personalized marketing campaigns.
Clicky - Clicky Web Analytics is a simple way to monitor, analyze, and react to your blog or web site's traffic in real time.
Google Audience Center - 3 votes and 6 comments so far on Reddit