PostHog
Open source product analytics with feature flags and session replay
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Free up to 1M events, then usage-based
PostHog combines analytics, feature flags, session recording, and A/B testing in one platform. The free tier is generous enough for most startups.
Great for solo founders who want product analytics depth without paying for multiple tools.
Pros
- ✓ All-in-one product analytics
- ✓ Generous free tier
- ✓ Self-hosting option
Cons
- ✗ Can be complex to set up
- ✗ Steeper learning curve