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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 SonixQMK fork has support for Keychron K2. I'm not sure if this is for the V2 or not, but it could be worth checking out.
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