[opensourcedex]

best-of ranking · updated nightly

Best Open Source Web & Product Analytics Tools

Ranked by GitHub stars — actual adoption, not editorial taste. All 10 are free, open source and self-hostable; license and last activity on every entry.

  1. 1
    PostHog ★ 40K

    Unlock Product Insights with Open-Source Analytics

    NOASSERTION Python pushed 2026-09-17 details →
  2. 2
    Umami ★ 39K

    Empower your website with privacy-focused analytics

    MIT TypeScript pushed 2026-09-17 details →
  3. 3
    Plausible ★ 29K

    Privacy-focused, lightweight web analytics

    AGPL-3.0 Elixir pushed 2026-09-17 details →
  4. 4
    Matomo ★ 22K

    Empower your digital strategy with actionable insights

    GPL-3.0 PHP pushed 2026-09-17 details →
  5. 5
    Rybbit ★ 13K

    Understand your audience with privacy-first analytics.

    AGPL-3.0 TypeScript pushed 2026-09-16 details →
  6. 6
    Claude-Code-Usage-Monitor ★ 8.7K

    Real-time Claude Code usage monitor with predictions and warnings

    MIT Python pushed 2026-07-05 details →
  7. 7
    Fathom Lite ★ 8.0K

    Privacy-focused analytics without the complexity

    MIT Go pushed 2026-03-18 details →
  8. 8
    firebase-ios-sdk ★ 6.7K

    Firebase SDK for Apple App Development

    Apache-2.0 C++ pushed 2026-09-17 details →
  9. 9
    Countly ★ 5.9K

    Comprehensive analytics for data-driven decisions

    NOASSERTION JavaScript pushed 2026-09-17 details →
  10. 10
    shynet ★ 3.2K

    Modern, privacy-friendly, and detailed web analytics that works without cookies or JS.

    Apache-2.0 Python pushed 2026-03-15 details →
method stars desc · snapshot from github api refresh nightly related Business Intelligence & Reporting, Data Extraction & Web Scraping, Data Warehousing & Processing, Data Engineering & Integration

Related best-of lists

best Business Intelligence & Reporting →best Data Extraction & Web Scraping →best Data Warehousing & Processing →best Data Engineering & Integration →

last updated nightly · ranking method: github stars, live-tracked

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Frequently asked questions

What is the best open source Web & Product Analytics tool in 2026?

PostHog leads the ranking with 39,835 GitHub stars, ahead of Umami. Rankings use live GitHub star counts, refreshed nightly.

How is this list of Web & Product Analytics tools ranked?

By GitHub stars — a proxy for adoption and community size. Each entry also shows its licence, primary language and last commit date, so you can judge maintenance activity rather than trusting the ranking alone.

Are the best Web & Product Analytics tools free?

Every project on this list is open source and free to self-host. Some also offer paid managed hosting, but the software itself carries no licence fee.