Out of the box, Redmine provides a number of generators to facilitate the creation of plugins and plugin resources.
The Redmine project website provides a plugin tutorial at http://www.redmine.org/projects/redmine/wiki/Plugin_Tutorial, which serves as a good starting point to quickly get started.
rails generate from the root of our Redmine installation will provide a list of available generators (truncated in the following snippet to list only those that are currently relevant):
$ rails generate RedminePlugin: redmine_plugin RedminePluginController: redmine_plugin_controller RedminePluginModel: redmine_plugin_model
Downloading the example code
This book continually references a sample plugin known as the ...