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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.
As far as getting the phone display on your desktop... you already have your solution, I suppose. For anyone else who is looking for a free alternative, scrcpy is really neat for Android phones. You'll need to take a minute to learn the right command line options, but in return you get no-bs screen mirroring with decent quality and latency. No app to install on the device, but you need developer mode enabled (no root required).
NOTE:
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Hence, a higher number means a more popular project.