Open-source, all-in-one product analytics platform combining event tracking, session replay, feature flags, A/B testing, surveys, error tracking, and a data warehouse — with self-hosting option for complete data control.
All-in-one product analytics — track user behavior, run experiments, replay sessions, manage feature flags, and warehouse your data in one open-source platform.
PostHog stands out as the only product analytics platform that gives you complete control over your data while providing enterprise-grade analytics capabilities. Unlike traditional analytics tools that require you to send data to third-party servers, PostHog offers both cloud-hosted and self-hosted deployment options, making it ideal for companies with strict data privacy requirements or those operating in regulated industries. The platform combines event tracking, feature flags, session recordings, A/B testing, surveys, error tracking, and a built-in data warehouse in a single unified interface, eliminating the need to stitch together multiple tools and maintain separate user identification across systems.
PostHog's SQL-based query interface gives technical teams unprecedented flexibility to analyze data exactly how they want, going far beyond pre-built dashboard widgets. The session recordings feature captures actual user interactions with your application, providing qualitative context that pure analytics data can't match — you can watch exactly what users did when they encountered errors or dropped out of conversion funnels.
PostHog's feature flag system supports percentage rollouts, multivariate testing, and complex targeting rules based on user properties, cohorts, or custom logic. The platform's open-source nature means you can modify and extend functionality, contribute to development, and avoid vendor lock-in that plagues proprietary analytics solutions.
The pricing model is genuinely usage-based with generous free tiers across every product — 1M analytics events, 5K session recordings, 1M feature flag requests, and more each month at no cost. Over 90% of companies using PostHog pay nothing. When you do exceed free limits, per-unit pricing decreases at scale, and you can set hard billing limits per product to prevent surprise bills.
PostHog has expanded significantly beyond core analytics into a full product development platform. The data warehouse syncs with external sources, data pipelines handle event routing and batch exports, LLM analytics tracks AI feature usage, and PostHog AI provides built-in credits for AI-powered insights. Error tracking, surveys, and workflow automation round out the platform.
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PostHog is the most complete open-source product analytics suite, combining event tracking, session replay, feature flags, A/B testing, surveys, error tracking, and a data warehouse in one platform. The generous free tier covers most startups entirely. Self-hosting gives full data control. The all-in-one approach reduces tool sprawl, but individual features may not match best-of-breed depth.
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In 2026, PostHog added error tracking, LLM analytics for monitoring AI feature performance, PostHog AI with built-in credits for AI-powered insights, workflow automation, and log management. The data warehouse expanded with free historical syncs and real-time data pipelines. The free tier now includes 10+ products with generous monthly limits.
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