Can I open-source Amplitude?
YES · mature open-source replacementYes. Umami (38k stars), PostHog (38k stars), Plausible (23k stars) are mature open-source replacements for Amplitude — self-host with docker and stop paying.
People still pay for Amplitude 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.
xbehavioral data platform, experimentation, identity, governance, and scale
xidentity stitching
xsession replay
xwarehouse connectors
xhigh-volume global ingestion and support
These projects already replace it, free.
UUmamiFunnels, cohorts and retention without turning the analytics stack into a second product.open source↗PPostHogFunnels, cohorts and retention on a free million-event allowance; the kitchen sink comes along.open source↗OOpenPanelMixpanel's useful bits, plus a ClickHouse stack you now get to know personally.open source↗What each one is, in full: Umami · PostHog
all 5 open-source alternatives to Amplitude →· no votes, no pay-to-list · just what's real
Amplitude pricing
| plan | monthly | annual (per mo) | what you get |
|---|---|---|---|
| free | $0/workspace | $0/workspace | 2,000,000 events/month; 10,000 session replays/month; 2,000 AI feedback records; 500 active AI Visibility prompts; unlimited seats |
| plus | $0/workspace | $0/workspace | First 2,000,000 events/month free; scales to 70,000,000 events; 20 behavioral cohorts; 1,000 active AI Visibility prompts; 2-year retention |
| growth | custom | — | Custom event volume; 20,000 session replays/month; 2,500 active AI Visibility prompts; SSO and project permissions |
| enterprise | custom | — | Custom event volume; 50,000 session replays/month; 5,000 active AI Visibility prompts; unlimited projects per portfolio |
free tier2,000,000 events/month, 10,000 session replays/month, 2,000 AI feedback records, 500 active AI Visibility prompts, and unlimited seats
billingPlus is usage-based with monthly and annual billing; first 2M events/month are $0; Growth and Enterprise are custom contracts
hidden costsPlus becomes usage-priced above 2M events/month. Growth/Enterprise product expansions and add-ons are priced as a percentage of the platform plan.
verified 2026-08-12 · source ↗
Can I open-source Amplitude?
Yes. Umami replaces Amplitude 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 Amplitude cost?
Amplitude's pricing is usage-based or varies by plan · Typical Plus monthly entry package; usage terms apply..
What do I lose by replacing Amplitude?
Honestly: behavioral data platform, experimentation, identity, governance, and scale; 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 Amplitude?
Yes: Umami (Funnels, cohorts and retention without turning the analytics stack into a second product.) PostHog (Funnels, cohorts and retention on a free million-event allowance; the kitchen sink comes along.) OpenPanel (Mixpanel's useful bits, plus a ClickHouse stack you now get to know personally.) All 5 curated open-source alternatives are at caniopensourceit.online/amplitude/alternatives.