[Valodim]

Very nice in this regard is gron, too. It simply flattens any json into lines of key value format, making it compatible with grep and other simple stream operations.

https://github.com/tomnomnom/gron

[lkuty]

And also https://github.com/adamritter/fastgron that I've just discovered.

[mstade]

This is brilliant, thank you for sharing!