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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.
It is not a dead project, you can see for yourself https://github.com/amule-project/amule, the last oficial version is from February 2021. It is very easy to install on Linux Mint if you want.
NOTE:
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Hence, a higher number means a more popular project.