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Open-source home automation running entirely locally: control 3,500+ smart home integrations with no cloud dependency, no subscription, and no data leaving your home.
Open-source smart home platform that runs local-first, with no cloud required.
Home Assistant is the world's most popular open-source home automation platform, letting you control, automate, and monitor all your smart home devices through a single local interface, without cloud connectivity or subscriptions. With 3,500+ integrations covering everything from lights and thermostats to security cameras and energy monitoring, it runs on a Raspberry Pi or dedicated hardware inside your home.
Automations trigger on time, location, sensor state, or any combination using a visual editor or YAML. A fully customisable dashboard shows exactly what you want, whether that's room-by-room energy use, security camera feeds, or weather data. The built-in Assist voice engine processes commands locally without routing speech to external servers.
Key benefits:
- 3,500+ integrations covering virtually every smart home ecosystem and device brand
- 100% local processing with no cloud dependency and no subscription required for core use
- Visual automation editor with triggers, conditions, and multi-step action sequences
- Customisable dashboards with drag-and-drop cards for any device or sensor
- Local voice assistant (Assist) with no speech data sent to external servers
- Matter and Thread support for the latest smart home interoperability standards
- Open-source (Apache 2.0) to self-host on a Raspberry Pi, VM, or dedicated hardware
Home Assistant is governed by the Open Home Foundation, a non-profit based in Switzerland, structured to ensure the platform can never be sold or shut down by a corporate acquirer. All data stays on your own hardware by default, with no telemetry, no profiling, and no vendor with access to your home. Fully GDPR-compatible by architecture.
Trusted by more than one million households worldwide, and ranked the top open-source project by contributors in 2025.
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Head-to-head comparisons
See how Home Assistant stacks up side-by-side against the non-EU incumbent on jurisdiction, GDPR, pricing, and features.
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