> browse/registry

> posthog

Open-source product analytics with PostHog — event tracking, funnels, cohorts, session replay, feature flags, and experimentation. Self-host with Docker or use PostHog Cloud. Covers JavaScript SDK for frontend tracking, Python SDK for backend events, autocapture configuration, custom event taxonomies, and funnel/retention analysis. Use when tasks involve adding product analytics, understanding user behavior, debugging UX with session replay, or rolling out features with feature flags.

> mixpanel

Product analytics with Mixpanel — event tracking, funnels, retention analysis, user segmentation, and A/B testing. Covers JavaScript SDK for frontend tracking, server-side tracking with Node.js and Python, identity management, group analytics, and the Query API. Use when tasks involve tracking user behavior in web or mobile apps, building conversion funnels, analyzing retention curves, or running experiments.