Home Assistant

Open source home automation that puts local control and privacy first. Powered by a worldwide community of tinkerers and DIY enthusiasts.

🚀 Overview

Home Assistant is an open-source home automation platform that enables users to control, automate, and monitor their smart homes locally, without relying on cloud services.

It solves the problems of data privacy, vendor lock-in, and limited customization in proprietary smart home systems by providing a flexible, local-first solution that integrates with over 3,000 devices and services from more than 1,000 brands. It's built for homeowners, DIY enthusiasts, tinkerers, and developers who want full control over their home automation.

Developed as a non-profit project by the Open Home Foundation, it empowers a global community to create powerful, sustainable, and private smart homes.

✨ Key Features

Integrates with over 3,000 devices/services from 1,000+ brands; auto-discovers devices on local networks
Advanced automation engine for creating complex rules, scenes, and scripts (e.g., lights at sunset, door alerts)
Customizable Lovelace dashboards with drag-and-drop cards for visualization and control
Built-in voice assistant "Assist" for natural language control, supports wake words and local AI
Energy dashboard for monitoring usage, solar optimization, and cost savings
Optional: Home Assistant Cast for TVs, NFC automations, companion apps for mobile/location tracking, add-ons like Node-RED

🛠 Tech Stack

Frontend: Web Components (Lit), Lovelace UI
Backend: Python 3
Database: SQLite (default), supports PostgreSQL, InfluxDB
Auth: Built-in user management
Hosting: Self-hosted (Home Assistant OS on Raspberry Pi, Docker, VMs, etc.)

👥 Who Is This For?

This project is useful for:

Tinkerers and DIY enthusiasts who want to build custom smart homes
Privacy-focused homeowners seeking local control over devices
Developers extending integrations and automations

📸 Screenshots / Demo

Live demo: https://demo.home-assistant.io/
GitHub: https://github.com/home-assistant/core

🔥 Project Status

🟢 Actively building

Last updated: 2026-03-24

❓ FAQ

Is this project free?

Yes — Open Source under Apache-2.0 license, non-profit by Open Home Foundation. (Free software, optional paid hardware like Home Assistant Green/Yellow.)

Is the source code available?

Yes — https://github.com/home-assistant/core (85k+ stars, actively maintained with daily commits)

Can I contribute?

Yes — Check the contributing guide on GitHub, submit issues/PRs, join the Discord community or forums for feedback and collaboration. 4,600+ contributors already.