Nabu Casa is the company founded by the creator of Home Assistant, the popular open-source home automation platform. It funds Home Assistant development and offers Home Assistant Cloud for easy remote access and voice assistant integration, plus hardware like Home Assistant Green and the Voice Preview Edition. Nabu Casa is central to the privacy-focused, locally controlled smart home community.
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Hong KongRefoss is a smart home brand active since 2016, best known for its multi-channel energy monitors and for smart plugs, switches and garage door openers. Its energy monitors clamp onto the mains and branch circuits and expose the readings through a local web UI, an open JSON-RPC API and MQTT, so they run without any cloud account. Refoss devices integrate natively with Home Assistant, Alexa, Google Home and Apple HomeKit.
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