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RudderStack alternatives · Analytics

Open-source alternatives to RudderStack

RudderStack is not described as open source on its own site. 21 of the 100 other website and product analytics tools in this directory are open source, according to their own sites.

RudderStack has a free plan. Paid plans start at $265 per month for 1 million events. 17 of them are free or have a free plan.

21 tools · Listings checked up to Nov 13, 2026 · Where the facts come from

The 12 closest to RudderStack

  1. Countly

    Self-hosted product analytics for web, mobile and desktop apps

    • Countly starts at $175 per month and up. RudderStack starts at $265 per month for 1 million events.
    • Countly is open source, according to its own site.
    • Countly also covers surveys, web analytics and a/B testing.
    Countly pricing and details

  2. GrowthBook

    Open-source feature flags and A/B testing on your own warehouse

    • GrowthBook starts at $40 per seat / month. RudderStack starts at $265 per month for 1 million events.
    • GrowthBook is open source, according to its own site.
    • GrowthBook also covers dashboards and a/B testing.
    GrowthBook pricing and details

  3. OpenPanel

    Open-source web and product analytics, cloud or self-hosted

    • OpenPanel starts at $2.50 per month for 5K events, billed monthly. RudderStack starts at $265 per month for 1 million events.
    • OpenPanel is open source, according to its own site.
    • OpenPanel also covers dashboards, web analytics and session replay.
    OpenPanel pricing and details

  4. PostHog

    Open-source product analytics with replays, flags and surveys

    • PostHog starts at $0.00005 per analytics event past the free 1M (pay-as-you-go). RudderStack starts at $265 per month for 1 million events.
    • PostHog is open source, according to its own site.
    • PostHog also covers surveys, web analytics, session replay and a/B testing.
    PostHog pricing and details

  5. Plausible

    Cookie-free, privacy-first website analytics made and hosted in the EU

    • Plausible starts at $7.50 per month for up to 10k pageviews, billed yearly ($9 billed monthly). RudderStack starts at $265 per month for 1 million events.
    • Plausible is open source, according to its own site.
    • Plausible also covers web analytics.
    Plausible pricing and details

  6. Matomo

    Open-source web analytics you can host yourself or in Matomo's cloud

    • Matomo starts at $26 per month for up to 50,000 hits, billed monthly (Cloud Business). RudderStack starts at $265 per month for 1 million events.
    • Matomo is open source, according to its own site.
    • Matomo also covers web analytics, session replay and a/B testing.
    Matomo pricing and details

  7. Umami

    Open-source, cookieless web and product analytics

    • Umami starts at $20 per month, with 1 million events included. RudderStack starts at $265 per month for 1 million events.
    • Umami is open source, according to its own site.
    • Umami also covers reports, web analytics and session replay.
    Umami pricing and details

  8. OpenReplay

    Open-source session replay and product analytics you can self-host

    • OpenReplay starts at $199 per month for a Dedicated instance, billed hourly. RudderStack starts at $265 per month for 1 million events.
    • OpenReplay is open source, according to its own site.
    • OpenReplay also covers web analytics and session replay.
    OpenReplay pricing and details

  9. Ackee

    Self-hosted, cookie-free analytics you run on your own server

    • Ackee is free. RudderStack starts at $265 per month for 1 million events.
    • Ackee is open source, according to its own site.
    • Ackee also covers web analytics.
    Ackee pricing and details

  10. GoatCounter

    Open source web analytics, free and donation-supported

    • GoatCounter is free. RudderStack starts at $265 per month for 1 million events.
    • GoatCounter is open source, according to its own site.
    • GoatCounter also covers web analytics.
    GoatCounter pricing and details

  11. Swetrix

    Cookieless, open-source web analytics with session replays

    • Swetrix starts at $19 per month for 100,000 events, billed yearly. RudderStack starts at $265 per month for 1 million events.
    • RudderStack has a free plan. Swetrix does not, though it has a free trial.
    • Swetrix is open source, according to its own site.
    • Swetrix also covers dashboards, web analytics, session replay and a/B testing.
    Swetrix pricing and details

  12. Rybbit

    Open-source, cookieless web analytics with session replay

    • Rybbit starts at $13 per month for 100,000 pageviews, billed annually. RudderStack starts at $265 per month for 1 million events.
    • RudderStack has a free plan. Rybbit does not, though it has a free trial.
    • Rybbit is open source, according to its own site.
    • Rybbit also covers reports, dashboards, web analytics and session replay.
    Rybbit pricing and details

9 more that are open source

All 21 in one table

Common questions

Is there an open-source alternative to RudderStack?

Yes. Countly, GrowthBook, OpenPanel, PostHog, Plausible, Matomo, Umami, OpenReplay and 13 more are open source, according to their own sites.

Is RudderStack open source?

RudderStack is not described as open source on its own site. The listing was checked on Nov 13, 2026 against the pages it cites.

Which of these website and product analytics tools are free?

Countly, GrowthBook, OpenPanel, PostHog, Plausible, Matomo, Umami, OpenReplay and 9 more are free or have a free plan.

When was this checked?

Each listing shows its own date. On this page they run from Oct 18, 2026 to Nov 13, 2026. Vendors change prices and plans without notice, so confirm on their site before you buy.

This page is built from the listings. A tool is here because its listing says so, and the order is how close each is to RudderStack: the alternatives its listing names first, then the tools that share the most features with it.