PostHog

Open-source product analytics, session replay, and feature flags

⭐ 4.6/5 (3000 reviews)

About PostHog

PostHog is an all-in-one product analytics suite with event tracking, session replay, feature flags, A/B testing, and surveys.

Key Features

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

✅ Pros

  • Generous free tier
  • All-in-one
  • Open source
  • Self-host option

❌ Cons

  • Can be complex
  • Resource-intensive self-host
  • Learning curve
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