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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.
rake (make as an extensible ruby DSL) is pretty nice for custom build stuff
I'm genuinely surprised that languages like Dhall only started to spring up in the last couple of years. There's been a real need for them for a while, but until recently you've either had to write your own or use a full-on programming language like Lua.
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