mikefarah / yq

yq is a portable command-line YAML, JSON, XML, CSV, TOML, HCL and properties processor

TomWright / dasel

Unified querying, transformation, and modification of JSON, TOML, YAML, XML, INI, HCL, KDL and CSV.

carvel-dev / ytt

YAML templating tool that works on YAML structure instead of text