Countly Server - Web and Mobile Analytics Server

Countly is an innovative, real-time, open source mobile & web analytics, rich push notifications and crash reporting platform powering more than 2500 web sites, 16000 mobile applications and several desktop applications as of 2019. It collects data from mobile, desktop, web apps including Apple Watch, TvOS and other internet-connected devices, and visualizes this information to analyze application usage and end-user behavior.