Niet: YAML, JSON, TOML CLI Tool

Niet is a powerful command-line interface (CLI) tool designed for efficient interaction with YAML, JSON, and TOML data files. It allows users to slice, filter, map, transform, and convert structured data using simple expressions or advanced XPath features directly from the shell. Written in Python, `niet` is actively maintained, with its latest version 3.2.0 released in April 2023.