-
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.
For me it's microcontrollers, however I've heard in spite of the unmaintained status, clojure-scheme[1] is very usable. It uses gambit to produce C-code you can compile anywhere.
https://github.com/takeoutweight/clojure-scheme
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.