PostHog

PostHog is an open-source, all-in-one developer platform designed to analyze, test, observe, and deploy product features. It shifts traditional analytics toward building "self-driving" products, using built-in AI agents to automatically diagnose problems, track errors, and generate pull requests directly from your usage data.

Instead of forcing teams to integrate multiple disparate services, PostHog unifies data via a single SDK using ClickHouse as its underlying engine for lightning-fast querying of billions of daily events.

Core Product Suite

PostHog groups its features into several comprehensive developer and analytics tools:

• Analytics & Observation: Includes event-based Product Analytics, a Google Analytics-like Web Analytics dashboard, and Session Replay to watch user interactions and catch funnel friction.

• Testing & Deployment: Offers powerful Feature Flags, no-code A/B Testing / Experiments, and direct customer feedback Surveys.

• Data Infrastructure: Combines a Customer Data Platform (CDP) and a managed Data Warehouse (supporting custom SQL) to act as a single source of truth.

• AI & Automation: Built-in AI Observability / LLM Analytics to monitor AI-driven applications, paired with a drag-and-drop Workflows automation engine.

• Developer Ecosystem: Developers can steer the entire tool from Slack, the web app, PostHog Desktop, or their own code editor using the Model Context Protocol (MCP).