Analytics and monitoring
FullStory alternatives
2 open-source projects that already do this job. Free to use - not free to run, which is what the numbers on the right are for.
The projects
PostHog/posthog★37,541 GitHub starslicence unclearSelf-hosted analytics platform with session replay, funnels, experiment and feature-flag tooling.Open on GitHub ↗hyperdxio/hyperdx★9,800 GitHub starsMIT licenceObservability platform unifying session replays, logs, metrics, traces, and error monitoring.Open on GitHub ↗
What you give up either way
- enterprise-grade scale and real-time ingest pipeline
- the vendor’s StoryAI / AI agents and advanced behavioral models
- polished UI/UX, integrations, and managed dashboards
- formal compliance, SLAs, and enterprise support
- feature-complete add-ons like Workforce, Anywhere, and multi-org management
An open-source project doing the core job proves a replacement is possible. It does not prove it matches FullStory, and it does not prove anyone has run it for a month. How we decide.