Boolean - Send single question yes/no surveys
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.
Wizu - Wizu is a conversational User Interface that can measure, and help companies improve, customer experience
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.
Hubert.ai - Hubert+1 - Add more to your team
Matomo - Matomo is an open-source web analytics platform