PostHog

Open-source product analytics suite

⭐ 4.6/5 (4500 reviews)

About PostHog

PostHog is an all-in-one, open-source product analytics platform with feature flags, session replay, and A/B testing.

Key Features

  • Product analytics
  • Session replay
  • Feature flags
  • A/B testing
  • Surveys
  • Data warehouse

✅ Pros

  • All-in-one
  • Open source
  • Generous free tier
  • Self-hostable

❌ Cons

  • Complex setup
  • Resource heavy
  • Learning curve
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