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Home Assistant
:house_with_garden: Open source home automation that puts local control and privacy first.
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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
In this case, I'd suggest openHAB as controlling solution. It works with a plethora of sensors and actors and has - due to its open source approach - longlivety assured.
NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a more popular project.