Repositories

Home Assistant is spread over many repositories, most of them in the home-assistant organization on GitHub. You'll work in one or two of them. This page tells you which.

Repository	Holds	Language
core	Home Assistant Core and every built-in integration	Python
frontend	The web interface, the component gallery, and the demo	TypeScript
android	The Android app, for phones, Wear OS, and cars	Kotlin
iOS	The app for iPhone, iPad, Mac, Apple Watch, and CarPlay	Swift
supervisor	The Supervisor	Python
operating-system	Home Assistant OS	Buildroot, shell

Repository	Holds
home-assistant.io	The user documentation, including a page per integration
companion.home-assistant	The documentation of the companion apps
brands	Logos and icons of integrations
architecture	Architecture discussions and decisions, see how decisions are made

Repository	Holds
addons	The official apps
apps-example	An example to start an app from
cli	The ha command line
os-agent	The helper on the host of Home Assistant OS
docker-base	The base images for Home Assistant and apps
plugin-dns, plugin-audio, plugin-cli, plugin-multicast, plugin-observer	The Supervisor's plugins

Repository	Holds
home-assistant-js-websocket	The JavaScript client for the WebSocket API
home-assistant-libs	An organization with Python libraries maintained by the project, like the Supervisor client
OHF-Voice	Voice projects of the Open Home Foundation, like the sentences Assist understands

You want to	Go to
Fix a bug in an integration	core
Add a new integration	core, then home-assistant.io for its documentation, and brands for its logo
Change something in the UI	frontend, or core if it is text of an integration
Fix documentation	home-assistant.io
Report a bug	The repository of the part that has the bug. Not sure? Ask on Discord.
Suggest a feature	The feature requests discussions

Every repository above belongs to an area of this site, which explains how to make your first change there. See Ready to contribute? for the map.