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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.
Containers take up a whole lot less resources and therefore you can do more with less. Mostly I think containers offer specific functionality such as a media server, file server, DNS caching/routing, things that don't really need or use a desktop gui. Check out docker hub (https://hub.docker.com) to see what's available.
NOTE:
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Hence, a higher number means a more popular project.