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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 have all messages (or at least some that you wanna save) on your desktop, you can run this, I've done it with success. https://github.com/carderne/signal-export
NOTE:
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Hence, a higher number means a more popular project.