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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.
About ditching WPF and using Unity: it should be possible without any problems, maybe outside of the license but that of course depends on the use case. You could also probably use helix, it's whole thing is supporting 3D in WPF.
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