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speedtest
Self-hosted Speed Test for HTML5 and more. Easy setup, examples, configurable, mobile friendly. Supports PHP, Node, Multiple servers, and more
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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.
You could try something like https://github.com/n8henrie/fastcli which uses Fast.com for speed testing, I can't see anything on Fast.com either that limits usage for non-commercial use only.
https://github.com/librespeed/speedtest-cli. ## I haven’t tested it.
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