Can I open-source FullStory?
YES · mature open-source replacementYes. PostHog (38k stars), Umami (28k stars), Plausible (23k stars) are mature open-source replacements for FullStory — self-host with docker and stop paying.
People still pay for FullStory 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.
xhigh-fidelity replay, privacy redaction, indexing, search, storage, and compliance
xidentity stitching
xsession replay
xwarehouse connectors
xhigh-volume global ingestion and support
These projects already replace it, free.
PPostHogEvents, replay and privacy controls on a generous free allowance, without FullStory's enterprise gravity.open source↗OOpenReplaySession replay with console, network and error context; the server bill and YAML are yours.open source↗UUmamiSimple privacy-focused web analytics on Node.js with Postgres/MySQL and a clean dashboardopen source↗What each one is, in full: PostHog · OpenReplay · Umami
all 5 open-source alternatives to FullStory →· no votes, no pay-to-list · just what's real
FullStory pricing
| plan | monthly | annual (per mo) | what you get |
|---|---|---|---|
| fullstoryfree | $0/workspace | $0/workspace | 30,000 sessions/month, 10 users, 12 months analytics retention, 12 months session-replay retention, and 5,000 server-side events/month |
| business | custom | — | Contracted session volume; 500,000 server-side events/month included |
| advanced | custom | — | Contracted session volume; 500,000 server-side events/month included |
| enterprise | custom | — | Contracted session volume; 500,000 server-side events/month included |
free tier30,000 sessions/month, 10 users, 12 months data retention, and 5,000 server-side events/month
billingfree plan + custom paid contracts; monthly/annual terms are not published
hidden costsMobile, Multi-Org Management, Advantage Subscription, StoryAI, Guides and Surveys, Warehouse, Activation, and professional services are separately priced; capture pauses when a session limit is reached unless capacity is increased.
verified 2026-08-12 · source ↗
Can I open-source FullStory?
Yes. PostHog replaces FullStory 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 FullStory cost?
FullStory's pricing is usage-based or varies by plan · Pricing is quote based; canonical monthly amount is null..
What do I lose by replacing FullStory?
Honestly: high-fidelity replay, privacy redaction, indexing, search, storage, and compliance; 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 FullStory?
Yes: PostHog (Events, replay and privacy controls on a generous free allowance, without FullStory's enterprise gravity.) OpenReplay (Session replay with console, network and error context; the server bill and YAML are yours.) Umami (Simple privacy-focused web analytics on Node.js with Postgres/MySQL and a clean dashboard) All 5 curated open-source alternatives are at caniopensourceit.online/fullstory/alternatives.