I guess many people use Graylog, Splunk or similar web-based systems (which can be self-hosted if you like) and are content with that. Not sure if there are any readymade applications for using locally on your Mac.
Maybe you can hack something together with jq + Bash + awk etc?
Maybe you can hack something together with jq + Bash + awk etc?
These tools might also be useful:
https://kantord.github.io/emuto/
https://github.com/antonmedv/fx
Best of luck!