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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.
There is AWS Amplify. Take a look at this tutorial. I would caution that the Amplify CLI does a lot of magic that comes with definite downsides if you end up wanting to do more advanced stuff.
NOTE:
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