Databuddy
All-in-one analytics platform combining error tracking, web vitals, feature flags, and AI-powered insights. GDPR compliant, cookie-free, and open-source.
Databuddy is an open-source alternative to:

Databuddy is a lightweight, privacy-focused analytics platform designed specifically for developers. It combines multiple monitoring and analytics tools into a single connected platform, eliminating the need for multiple third-party services.
Key Features
- Uptime Monitoring: 1-minute checks with status pages and real-time alerts
- Error Tracking: Stack traces, context, and instant notifications
- Web Vitals: LCP, INP, CLS scoring and monitoring
- Feature Flags: Safe rollouts with granular user targeting
- Short Links: Branded links with built-in click analytics
- AI Agent (Databunny): Automatic investigations and anomaly detection
- Funnels & Conversions: Track user journeys and conversion paths
- Traffic Sources: Detailed referrer and campaign analytics
- Session Recording: Visualize user interactions
- Automatic Insights: AI-generated investigation cards with actionable next steps
Tech / Self-Hosting
Databuddy is open-source and can be self-hosted. The platform is built with modern web technologies and offers a ~12KB script that loads asynchronously. All data is processed in compliance with GDPR regulations by default, with no cookies or tracking banners required.
The project is actively maintained on GitHub with over 1,141 stars and provides comprehensive documentation for installation and configuration.