PostHog is an open-source product analytics platform founded in 2020 in San Francisco, USA, combining product analytics, session recording, feature flags, and A/B testing in one platform, with free self-hosting and cloud hosting, and 30,000+ GitHub stars.
Matomo (formerly Piwik) was founded by Matthieu Aubry in 2007 in Auckland, New Zealand, as an open-source web analytics platform with 100% data ownership, used by 1,000,000+ websites, offering self-hosted and cloud deployment with GDPR compliance by default.
Pirsch is a privacy-first web analytics brand founded in 2021 in Vienna, Austria; this document covers its privacy, self-hosting, and event-tracking depth - cookieless, about 4KB script, Go open-source self-hosting, and full data ownership.
Umami is an open-source lightweight web analytics tool created by Mike Cao in 2020, MIT-licensed, cookieless, and naturally GDPR compliant, with free one-command Docker self-hosting plus multi-site management, share links, and plugin support.
Microanalytics is a US-based open-source lightweight web analytics tool that can be self-hosted with one-click Docker deployment, is cookie-less and GDPR/CCPA compliant, supports event tracking, and ships a tracking script under 2KB plus a free plan.
GoatCounter is an open-source, privacy-friendly web analytics tool maintained by Dutch developer Martin Tournoij, with a tracking script of only about 3.5KB. Both cloud hosting and self-hosting are free, making it a zero-cost Google Analytics alternative without cookies.
Open Web Analytics (OWA) was created by Peter Adams in 2006 as an open-source, PHP/MySQL self-hosted web analytics framework under the GPL license, with built-in heatmaps and click tracking, serving as a classic self-hosted alternative to Google Analytics.