Can I open-source Heap?
YES · mature open-source replacementYes. Umami (38k stars), PostHog (38k stars), Plausible (23k stars) are mature open-source replacements for Heap — self-host with docker and stop paying.
People still pay for Heap because teams pay because analytics must keep collecting and remain trustworthy while the product changes underneath it. The recurring cost buys event schemas, bot filtering, identity, late data, retention, query cost, privacy, backups, and always-on ingestion, not just the visible interface.
xautomatic capture engine, identity graph, data science, governance, and enterprise operations
xidentity stitching
xsession replay
xwarehouse connectors
xhigh-volume global ingestion and support
These projects already replace it, free.
UUmamiSmall, explicit event analytics with funnels and retention, hosted on infrastructure you control.open source↗PPostHogExplicit events, funnels and retention without being forced to autocapture the rest of a person's life.open source↗OOpenPanelEvent analytics and user timelines without automatic snooping; ClickHouse administration is the trade.open source↗What each one is, in full: Umami · PostHog
all 5 open-source alternatives to Heap →· no votes, no pay-to-list · just what's real
Heap pricing
| plan | monthly | annual (per mo) | what you get |
|---|---|---|---|
| free | $0/workspace | $0/workspace | 10,000 sessions/month, 6 months data history, and 1 project/environment |
| growth | custom | — | Session-based usage estimate after installing the snippet; 12 months data history and 1 project/environment |
| pro | custom | — | Custom session volume, 1 year data history, and 3 projects/environments |
| premier | custom | — | Custom session volume, 1 year data history, and unlimited projects/environments |
free tier10,000 sessions/month, 6 months data history, and 1 project/environment
billingfree plan + usage-estimated Growth + custom Pro/Premier contracts; public monthly/annual terms not disclosed
hidden costsSession Replay, Heatmaps, Error Analysis, Heap Activate, Heap Connect, extra data-history years, and extra Pro projects are add-ons; server-side events consume capacity at 30 events = 1 session after the included contractual allowance.
verified 2026-08-12 · source ↗
Can I open-source Heap?
Yes. Umami replaces Heap today — self-host it on your own server or machine with no subscription. The full list of open-source alternatives is on this page.
How much does Heap cost?
Heap's pricing is usage-based or varies by plan · Pricing is sales-led; canonical monthly amount is null..
What do I lose by replacing Heap?
Honestly: automatic capture engine, identity graph, data science, governance, and enterprise operations; identity stitching; session replay; warehouse connectors; high-volume global ingestion and support. If any of those are load-bearing for you, keep paying.
Is there an open-source alternative to Heap?
Yes: Umami (Small, explicit event analytics with funnels and retention, hosted on infrastructure you control.) PostHog (Explicit events, funnels and retention without being forced to autocapture the rest of a person's life.) OpenPanel (Event analytics and user timelines without automatic snooping; ClickHouse administration is the trade.) All 5 curated open-source alternatives are at caniopensourceit.online/heap/alternatives.