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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 would run this locally, using Docker + Lando (https://lando.dev) so you can do all this work locally and not have to worry about limited hosting options.
If you don't know what Composer is, you'll need to understand the basics. https://getcomposer.org/
NOTE:
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Hence, a higher number means a more popular project.