babel-preset-gatsby(latest: 0.4.9) Gatsby uses the phenomenal project [Babel](https://babeljs.io/) to enable support for writing modern JavaScript — while still supporting older browsers. This package contains the default Babel setup for all Gatsby projects.
gatsby-cli(latest: 2.12.45) Gatsby command-line interface for creating new sites and running Gatsby commands
gatsby-core-utils(latest: 1.3.5) A collection of gatsby utils used in different gatsby packages