PostHog: Open Source Alternative to Mixpanel

PostHog is the open source product analytics platform with 26k+ GitHub stars — a Mixpanel alternative with session replay and feature flags.

Compare PostHog with Amplitude and Heap before you choose your stack.

Key features

Analytics

• Funnels, retention, paths
• Session recording and replay
• Heatmaps and scroll tracking
• Custom events and properties

Feature flags

• Gradual rollouts and percentages
• A/B testing with statistical significance
• Payload flags for dynamic config
• Scheduled flag releases

Data warehouse

• Export to BigQuery, Snowflake, S3
• Reverse ETL to marketing tools
• SQL access to your data
• CDP for event routing

PostHog vs Mixpanel

	PostHog	Mixpanel
License	MIT (open source)	Proprietary
Data residency	Self-hosted option	Vendor cloud
Privacy	No third-party tracking by default	Vendor analytics pipeline
Customization	SQL and plugin extensibility	Limited to product UI
Cost	Free tier + self-hosting	Usage-based SaaS

Choose PostHog if you want open-source code, self-hosting options, and full control over your data and deployment.

Choose Mixpanel if you prefer a managed proprietary product with vendor support and minimal setup.

Browse more open-source alternatives to Mixpanel, or explore other tools in Analytics.

At a glance

License	MIT (core)
Stack	Python, TypeScript, React
Self-hosted	Yes
Cloud	posthog.com
Database	ClickHouse, Postgres

Self-hosting

git clone https://github.com/PostHog/posthog.git
cd posthog
docker compose up -d

Includes ClickHouse, Kafka, and all services.

FAQ

Is PostHog a free alternative to Mixpanel?

Yes. PostHog is open source under MIT. You can self-host it at no software cost — you only pay for infrastructure or optional managed services.

How does PostHog compare to Mixpanel?

PostHog gives you source code access, self-hosting, and data ownership. Mixpanel is a proprietary product focused on managed convenience. See the comparison table above for a side-by-side breakdown.

Can I self-host PostHog?

Yes. PostHog supports self-hosted deployment, which is a core reason teams choose it over Mixpanel. Check the Getting started or Self-hosting section for install commands.

Is PostHog suitable for production?

PostHog is actively maintained with a strong open-source community. Many teams run it in production as a Analytics alternative to Mixpanel. Review the At a glance table for license and stack details.

What are alternatives to PostHog and Mixpanel?

Browse alternatives to Mixpanel for more open-source options, including tools compared to Amplitude. Explore the full Analytics category for related projects.