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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 option is in a hosted channel on OBW (https://github.com/nbd-wtf/obw) One thing that's nice about OBW is that it will also do fully non-custodial channels that you decide on and open when you want to get to that point at some time in the future. OBW also does on-chain transactions.
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.