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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.
I found its GitHub repo which is very stale.
I've also found this which at least is visual but doesn't have the capability to POST variables and recompile in place for live updates.
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