# Documentation
GSA's documentation is available at the Oasys GSA Documentation site (opens new window). The documentation is organized into 5 primary areas:
- Tutorials: Step-by-step guides to get you started using GSA for the first time.
 - Explanations: General background and conceptual overviews.
 - How-To Guides: Step-by-step guides to introduce specific workflows and features.
 - Reference: Detailed documentations for all of GSA's features.
 - Theory: A collection of resources that explains the theory behind GSA features.
 
GSA makes use of third party software. Details can be found here.