Learn OpenGDD

Choose a starting path for the package you want to make. The guide walks through a first package, while the Handbook explains one part at a time.

Get started

Make a first package in 7 steps and check it with the validator.

The Handbook

Look up one part of a package through short explanations and examples.

Authoring tool companion guide

Coming. This guide will follow the authoring tool from the first idea to a checked package.