PostHog
Open-source product analytics suite with session replay, feature flags, A/B testing, and surveys.
Overview
PostHog is an open-source product analytics suite. It combines event analytics, session recording, feature flags, A/B testing, and surveys in one platform. Self-hostable or cloud.
Strengths
- All-in-one: analytics, session replay, feature flags, A/B tests
- Generous free tier (1M events/mo)
- Open source and self-hostable
- Strong developer experience
Weaknesses
- Can be overwhelming — lots of features
- Self-hosting requires significant infrastructure
- UI has a learning curve
- Some features less mature than best-in-class alternatives
Quick info
- Category
- Analytics
- Starting price
- Free
- Free tier
- Fully free
- Open source
- Yes
- Best for
- Any size
- Founded
- 2020
Last updated 2026-04-12
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