NGUI 3.7.4

Requires Unity 4.5.4 or higher.

NGUI is a very powerful UI system and event notification framework.

Features

• Editor integration, WYSIWYG

• Localization, data binding, delegates, events

• Supports all platforms

• Make UIs that take 1 draw call

• Comes with full C# source code

• Extensively optimized

• Dedicated support

• ...More Info

Support and Purchase if you can!