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PostHog

40.2Kstars

Open source product analytics, session replay, feature flags and more

PostHog is an open source product platform that combines product and web analytics, session replay, feature flags, A/B testing, surveys and a data warehouse in one tool. It is built for engineers and product teams, with SQL access, an AI assistant and a free monthly usage allowance on PostHog Cloud. It can also be self-hosted for smaller deployments.

Cost / License
FreemiumOpen source(MIT)
Categories
Web & Product Analytics
Platforms
WebSelf-hosted
PostHog screenshot
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features
7
alternatives
12
platforms
2
Updated
Oct 12, 2026

Features

Our take

Pros

  • Analytics, session replay, feature flags and A/B tests in one tool
  • Generous free monthly usage on PostHog Cloud
  • Open source with direct SQL access to your data

Cons

  • Broad feature set can feel overwhelming for non-technical users
  • Usage-based billing is hard to predict as traffic grows
  • Self-hosting is only recommended for smaller deployments

Editorial assessment by the Alternatives.tools team, based on what the product is known for. Not a user review.

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