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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.
On the software side for switching monitor inputs is https://github.com/haimgel/display-switch as well.
I also played with https://www.ddcutil.com/ for a bit, but nothing coherent came out of it.
NOTE:
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