[panosv]

MacOS has now a built in dedicated tool called networkQuality that tries to capture these variables https://netbeez.net/blog/measure-network-quality-on-macos/

Also take a look at Measurement Swiss Army-Knife (MSAK) https://netbeez.net/blog/msak/

[dtaht]

big fan of flent.org and this tool, written in rust - is coming along smartly.

https://github.com/Zoxc/crusader