Home Assistant
Home AutomationOpen-source home automation that puts privacy first
Replaces SmartThings, Google Home
The 36 best API home automation you can self-host, ranked by community traction.
Open-source home automation that puts privacy first
Replaces SmartThings, Google Home
Local NVR with real-time AI object detection
Replaces Google Home
Send push notifications to your phone via simple HTTP
Replaces Pushover, Pushbullet
Open-source firmware for ESP-based smart devices
Replaces Tuya Cloud
Open-source IoT platform for device management and data
Replaces AWS IoT, Azure IoT
Firmware for controlling addressable LED strips
Replaces Philips Hue
Local push notification relay for self-hosted systems
Replaces Pushover, Firebase Cloud Messaging
Bridge Zigbee devices to MQTT without vendor hubs
Replaces SmartThings
Configure ESP devices with simple YAML
Replaces SmartThings
Community store for custom Home Assistant integrations and themes
Replaces SmartThings community add-ons
Solar-aware electric vehicle charging controller
Replaces SmartThings
High-performance smart home and camera platform
Replaces Google Home
Ambient lighting software for screens and media
Replaces Philips Hue Sync, Govee Immersion
Lightweight home automation system
Replaces SmartThings
Multifunctional firmware for ESP8266 and ESP32 sensors
Replaces Tuya
Local control toolkit for Sonoff smart switches
Replaces eWeLink Cloud
Open gateway for the decentralized web of things
Replaces SmartThings, Google Home
Self-hosted automation engine for IoT devices
Replaces SmartThings
Zigbee gateway software for ConBee and RaspBee
Replaces Philips Hue Bridge
Open-source emulator of the Philips Hue Bridge
Replaces Philips Hue Bridge
Local control library and server for Tuya devices
Replaces Tuya Smart app
Emulate Philips Hue to control devices by voice
Replaces Philips Hue Bridge
Web app for processing, logging, and visualizing energy data
Replaces Sense
Windows companion for Home Assistant control
Replaces IFTTT
Full-featured Z-Wave control panel and MQTT gateway
Replaces SmartThings
Vendor-neutral open-source home automation
Replaces SmartThings, Google Home
Matter controller server for smart home integrations
Replaces Apple Home, Google Home
Python apps and automation framework for Home Assistant
Replaces SmartThings
Energy management optimization for Home Assistant
Replaces Tesla Energy app
Open Zigbee coordinator firmware for many adapters
Replaces Philips Hue Bridge
Open-source internet-connected irrigation controller
Replaces Rachio
Companion cloud service for remote openHAB access
Replaces SmartThings
Climate, TV, and fan control via IR controllers
Replaces Sensibo
Small server wrapping the Z-Wave JS driver over WebSocket
Replaces SmartThings
Modular home automation framework with KNX focus
Replaces Loxone
Python rules engine for openHAB and MQTT
Replaces IFTTT
No apps match these filters.
Every option here is open-source and self-hostable, tagged API within the home automation category. Compare them on the individual app pages for setup difficulty and resource requirements.