With the Mogre MyGUI wrapper it's possible to use the MyGUI system by Mogre.

More information you find at the MyGUI website mygui.info.

Ogre related information you find in the MyGUI forum (section of the Ogre forum).
Related to the Mogre wrapper there is a special forum topic: Managed MyGUI

For Mogre related questions you can open a thread in the Mogre forum. Additionally you could invite user mstoyke to answer. (Please don't discuss by message - do it in public so that it helps other people, too.)

Download

The source code you can get in the download area of the MyGUI website.
The Mogre/.NET wrapper is part of the MyGUI project and can be found in the MyGUI repository.

Additionally look to the binary download section. It contains the Mogre wrapper, depencies, demos and the layout editor.

See also

MyGUI related:

• mygui.info - official Website
• API reference - documentation of MyGUI interface
• MyGUI forum section - (in Ogre add-ons forum)
  • Managed MyGUI - Forum topic for the Mogre wrapper
• Repository - SVN with source code
  • Mogre wrapper (part of the same repository)
  • Managed MyGUI for Mogre (pre-compiled binary)
  • Demos (pre-compiled)
  • Depencies
  • Layout editor
• MyGUI - much Ogre related stuff

Common:

• GUI - an overview of GUI systems
• Comparison of GUIs
• Miyagi - an alternative GUI system for Mogre
• Hikari Wrapper for MOGRE - embed Adobe Flash into Mogre (e.g. GUI menus)
• Easy Debug Text for MOGRE - for plain text display
• Prototype steps of GUI development
• MQuickGUI - an outdated C# port of QuickGUI

Videos