Best for: Product analytics

Open source product analytics with session recordings, feature flags, and A/B testing.
PostHog's free tier includes 1M events a month plus session replay, feature flags, and experiments in one tool. For a product team it is the most you can get free before paying, by a wide margin.
What's good
- All-in-one product analytics
- Extremely generous free tier
- Open source
- Self-hostable
What's not
- Can be complex for simple use cases
- Learning curve for advanced features
Pricing
Free plan available



