# Reference { #reference-index }

This is the technical reference for public APIs provided by Briefcase.

* [Briefcase configuration options][briefcase-configuration-options] - Configuring the environment variables needed to customize the Briefcase resource directory.
* [Project configuration options][project-configuration-options] - Configuring an app built with Briefcase.
* [Command reference][command-reference] - Details about the commands available in Briefcase.
* [Platform support][platform-support-key] - Details about the various platforms supported by Briefcase.
* [Plugins][plugins] - Implementing a third-party plugin for use with Briefcase.
