-
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.
I guess it would be a good start if they would comply with GPL and release their source-code. But apparently even that is too much to ask. Stuff like this is just a joke (and a bad one), and for most of their new stuff they didn't even bother.
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.