Countly

Countly is a privacy-first, open-source product analytics and customer engagement platform that enables organizations to track user behavior across mobile, web, desktop, and connected devices while retaining full ownership of their data. The platform can be deployed on-premises or in a private cloud, giving teams complete control over their infrastructure and compliance posture. Countly provides tools for analytics, custom dashboards, A/B testing, push notifications, surveys, and user journey automation, all built around a modular plugin-based architecture.