Home Assistant
Open source home automation that puts local control and privacy first. Powered by a worldwide community of tinkerers and DIY enthusiasts. Perfect to run on a Raspberry Pi or a local server.
Node-RED
Node-RED is a programming tool for wiring together hardware devices, APIs and online services in new and interesting ways.
MQTT
A lightweight messaging protocol for small sensors and mobile devices, optimized for high-latency or unreliable networks, enabling a Connected World and the Internet of Things