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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.
Another vote for NextDNS
I personally don't worry about this, and let https://gitlab.com/klutchell/unbound/ handle it for me. I check once every month or two if something changed, and that's about it. It has worked well for me so far.
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.