As documentation of gino have the reference for developers and a wiki that covers aspects of development and explains how they work classes.
Both refer to the latest software release.

Read the wiki gino

Read the reference

Read the posts related to documentation

Tutorials and how-to

Some how-to's and tutorials to help you to approach the software.

manA4-pagine.pdf Tutorial for creating pages and their inclusion as a menu item, inserting attachments and news
gino-traduzioni.pdf Guide for translation management in gino
gino-layout-1.0.pdf Guide for the construction of the layout of gino