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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.
Also don't overlook Calculate Linux as an option for getting into Gentoo using a GUI installer, pre-configured desktops, and a binary package repo for most of the common linux packages -- yet giving you a standard Gentoo system to work with. Apparently you would be interested in the Gnome Edition.
NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a more popular project.