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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.
Great. After looking briefly at https://github.com/jamesbarnett91/tplink-energy-monitor, it does indeed appear to be running Express, so it's listening on 3000, it's just not being exposed.
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