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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.
The only down side is the hassle of setting up Android. The 405M is Android-based too, but there's a custom Android fork for it that should handle a lot of the setup for you.
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