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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.
Zwave here. ZigBee here, here, and here. ZigBee is a mess because it isn't tightly controlled like Z-wave is. Some devices work better with deConz or ZHA or whatever. I'm not really sure what works best with what, I avoid ZigBee for this reason (and a few others).
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.