The best open source alternative to Matomo is Plausible Analytics. If that doesn't suit you, our users have ranked more than 100 alternatives to Matomo and many of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Matomo are GoAccess (Free, Open Source), Open Web Analytics (Free, Open Source), GoatCounter (Freemium, Open Source) and umami (Free, Open Source).
GoAccess is an open source real-time web log analyzer and interactive viewer that runs in a terminal in *nix systems or through your browser. It provides fast and valuable HTTP statistics for system administrators that require a visual server report on the fly. Why GoAccess?
GoatCounter is an open source web analytics platform available as a hosted service (free for non-commercial use) or self-hosted app. It aims to offer easy to use and meaningful privacy-friendly web analytics as an alternative to Google Analytics or Matomo.
Umami is a simple, easy to use, self-hosted web analytics solution. The goal is to provide you with a friendlier, privacy-focused alternative to Google Analytics and a free, open-sourced alternative to paid solutions.
Web Analytics made simple and therefore privacy friendly. Free We don't collect personal data, which allows serving many users with little hosting costs. Open Source The source code is published under the AGPL-v3 licence. Collaboration is welcome.
Offen is an open source web analytics software that treats operators and users as equal parties. Operators can gain valuable insights about how users interact with their services while ensuring that their users remain in full control over their data.