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.
6sense - 6sense is a B2B predictive intelligence engine for marketing and sales.
Matomo - Matomo is an open-source web analytics platform
Leadiro - Seriously Smart & Live B2B Data
Clicky - Clicky Web Analytics is a simple way to monitor, analyze, and react to your blog or web site's traffic in real time.
ZoomInfo - ZoomInfo is a B2B database providing detailed business information on people and companies.