-
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.
https://github.com/furrtek/portapack-havoc/issues/157#issuecomment-367577577 talks about changing the sampling frequency through a text file for the Havoc Firmware. Issue is dated 2018, so it's not certain that this hasn't been made more configurable in recent releases.
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.