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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.
Oh ... I guess there are around 15-20 not europe-based Users out there. But even if you don't use it really for getting In touch with others, you can find nice features. Check out piTelex - it's an easy to go possibility to controll the teletype with pi microcomputers. There is even RSS functionality and so on.
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.