PostHog
Open-source product analytics with event tracking, feature flags, and session replay.
Overview
PostHog is an all-in-one platform designed for engineers and product teams to analyze, test, and deploy features. It consolidates multiple tools—including product analytics, web analytics, session replay, feature flags, experiments, surveys, and error tracking—into a single interface.
The platform also features a managed "context warehouse" that integrates data from over 120 external sources like Stripe and Postgres, allowing teams to query user activity and direct AI agents with full context.
PostHog offers a transparent, usage-based pricing model with generous free tiers for each of its products, making it highly accessible for startups and scaling enterprises alike.
Key features
- product analytics
- session replay
- feature flags
- A/B testing and experiments
- managed data warehouse
- error tracking
- customer data platform (CDP)
- generous monthly free tiers for all products
- transparent usage-based pricing with billing limits
- consolidates multiple tools into one platform
- open-source core option available
- highly transparent company handbook and public roadmap
- requires integration setup to track custom events
- pricing scales with event volume if limits are not set
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