SharePoint 2013 Easy Ribbon provide easy API for Ribbon creation and managing in SharePoint 2013.
Based on the SharePoint 2010 Fluent Ribbon API
(with small source code changes, repack and rebuild for SharePoint 2013).
Easy Ribbon contains only the core of the SharePoint 2010 Fluent Ribbon API
project without documentation and examples. You can use old docs and examples it's still valid (you only need to change namespace from FluentRibbon to EasyRibbon).
Use this project if you need fast migrate SharePoint 2010 application with SharePoint 2010 Fluent Ribbon API
to SharePoint 2013.