SPECIAL INTRODUCTORY PRICE
OSK is the lightest, fastest and most customizable On Screen Keyboard available for Unity.
It works out of the box, just drag the prefab to your scene and tune it to your needs or just start using it.
Customize the colors, key design and layouts in a visual way or programmatically with the included API.
OSK comes with Unifont for free:
http://u3d.as/zxk