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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.
you could run https://github.com/MycroftAI/selene-backend and the matching frontend project yourself, if one was so inclined. You'd need to tinker with the mycroft configuration ofcourse.
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