What does PostHog replace?

PostHog is a free alternative to Mixpanel and Hotjar ($468/yr).

Is PostHog open source?

Yes. PostHog is licensed under MIT, an OSI-approved open-source license.

Yes (self-hosted server; web UI).

Yes. PostHog is a server app you run on your own server, and its repository includes Docker files.

A free, open-source alternative to Mixpanel and Hotjar. Switching saves $468/yr at list price.

Checked Oct 17, 2026 · How we check

Self-hosted server

Open source · MIT Linux Self-hostable

PostHog/posthog40.2k★last push Oct 11, 2026checked Oct 17, 2026

Self-host

Runs on your own Linux server, with Docker files in the repo. Setup docs are on posthog.com.

What does PostHog replace?: PostHog is a free alternative to Mixpanel and Hotjar ($468/yr).
Is PostHog open source?: Yes. PostHog is licensed under MIT, an OSI-approved open-source license.
Does PostHog run on Linux?: Yes (self-hosted server; web UI).
Can you self-host PostHog?: Yes. PostHog is a server app you run on your own server, and its repository includes Docker files.