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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.
If you mean song chart visualizer, I'm using the mod called "BeatSaberPlus", it does a lot of other stuff but anyway, you can download it from discord in #bsplus-releases channel. You can find the invite link on this github page.
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