Top Open Source Product Analytics Tools in 2026
A curated collection of the 11 best free and open-source Product Analytics tools in 2026. Compare features, GitHub stars, tech stacks, and self-hosted software.
Databuddy
Privacy-first lightweight web analytics for developers
Stars1,139Last commit13d agoLicenseAGPL-3.0
Vemetric
Privacy-first web & product analytics
Stars384Last commit16d agoLicenseAGPL-3.0Trench
Open source analytics infrastructure
Stars1,661Last commit5mo agoLicenseMIT
Rybbit
Open source cookieless Google Analytics alternative
Stars12,880Last commit12d agoLicenseAGPL-3.0
PostHog
Self-driving product analytics platform
Stars39,294Last commit10d agoLicenseOpen SourceOpenReplay
Open-source session replay and product analytics platform you can self-host for complete control over data security, privacy, and compliance.
Stars12,583Last commit17d agoLicenseOpen SourceOpenPanel
Open-source analytics platform alternative to Mixpanel
Stars6,796Last commit11d agoLicenseAGPL-3.0
Litlyx
European privacy-first web analytics with AI insights
Stars1,740Last commit9mo agoLicenseApache-2.0GrowthBook
Powerful, developer-friendly experimentation tool for data-driven product decisions. Seamless integration, real-time insights, and flexible deployment.
Stars8,161Last commit10d agoLicenseOpen SourceCountly
All-in-one analytics platform for mobile, web, and desktop apps. Track user behavior, monitor performance, and optimize your product.
Stars5,892Last commit11d agoLicenseOpen Source
Aptabase
Open source privacy-first analytics for apps
Stars1,781Last commit24d agoLicenseAGPL-3.0
