PostHog
Open-source product analytics
★ 4.5
Open-source product analytics with generous free tier. 1M events, 5K session recordings, 1M feature flag requests free monthly.
Features
✓ Free: 1M events, 5K recordings, 1M flags
✓ LLM Analytics: 100K events free
✓ Error tracking: 100K errors free
✓ Surveys: 1500 responses free
✓ Session recordings
✓ Feature flags and A/B testing
✓ Hard spend limits prevent overages
Pros
- + Generous free tier (1M events/mo)
- + 90%+ of companies use it free
- + Hard spend limits prevent overages
- + Open source, self-host option
Cons
- − Enterprise add-on $2000/mo
- − HIPAA compliance extra $250/mo
- − 1 year data retention on free
- − 25% non-profit discount (not free)