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Product Analytics 2 alternatives tracked

Open-source alternatives to Heap

Heap is a product analytics platform that auto-captures all user interactions (clicks, inputs, page views) retroactively without requiring pre-planned event instrumentation. This retroactive analysis capability allows teams to analyze user behavior on events they didn't think to track at implementation time. Used by product teams doing conversion optimization and funnel analysis.

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The alternatives

posthog

★ 34,313 Python NOASSERTION

🦔 PostHog is an all-in-one developer platform for building successful products. We offer product analytics, web analytics, session replay, error tracking, feature flags, experimentation, surveys, data warehouse, a CDP, and an AI product assistant to help debug your code, ship features faster, and keep all your usage and customer data in one stack.

PostHog/posthog Updated 2026-05-06

matomo

★ 21,469 PHP GPL-3.0

Empowering People Ethically 🚀 — Matomo is hiring! Join us → https://matomo.org/jobs Matomo is the leading open-source alternative to Google Analytics, giving you complete control and built-in privacy. Easily collect, visualise, and analyse data from websites & apps. Star us on GitHub ⭐️ – Pull Requests welcome!

matomo-org/matomo Updated 2026-05-06

Comparison notes

PostHog is the most feature-complete OSS product analytics alternative, offering session recording, feature flags, A/B testing, and event-based analytics including retroactive cohort analysis on ingested data. Matomo covers basic funnel and behavior analytics. The main gap vs. Heap: Heap's auto-capture of all interactions for retroactive analysis requires storing raw DOM interaction events — PostHog's session recording approximates this but with different query capabilities. Heap's journey maps and influence analysis have no direct OSS equivalent.

Migration tips

  • Install PostHog's tracking script in addition to Heap before full migration — run both to collect parallel event data
  • Identify your most critical Heap analyses (funnels, journeys, cohorts) and recreate them as PostHog Insights before removing Heap
  • PostHog's autocapture is similar to Heap's but configure it to capture the specific elements you analyze most
  • Heap data cannot be exported in a format importable by PostHog — accept that historical comparative analysis will be limited
  • Update your team's analytics workflow documentation to reflect PostHog's query model vs. Heap's retroactive approach

FAQ

Can I fully replace Heap with an OSS tool?

Feature parity varies. Most OSS alternatives cover 70-90% of core workflows, but may lack polish, integrations, or specialized features. Pilot the alternative with a subset of your team before fully committing.

What's the cost of self-hosting?

Plan for ~$5-50/month in VPS costs (DigitalOcean, Hetzner, etc.) plus 2-8 hours/month in maintenance. For a team of 20+, self-hosting usually breaks even against SaaS pricing within 6-12 months.

Which alternative should I pick?

Sort by GitHub stars (a proxy for community health), check the last-pushed date (avoid unmaintained projects), and read recent issues to gauge responsiveness.