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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.
I haven't used Sublime Text in a while, it seems to have gone somewhat out of fashion ever since VS Code was released for free, but to be honest I think it is faster and lighter than VS Code (even though I'm generally quite happy with VS Code myself).
Other than that, if you're on Windows, raylib has a pretty good installer of preconfigured Notepad++ and MinGW that will run as snappy as possible. Or, you know, give vim a go I suppose :)
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.