Spices.Fortress is an excellent tool that will become the sentinel of your trial functionality and provide your valid customers with an easy way to unlock the application to gain access to all of its functions. Using non-conventional methods of code protection, Spices.Fortress draws an uncrossable line between trial and full versions of your C# 2.0 Windows Forms application. Entrust your code to Spices.Fortress and it will never let you down!

Ссылка: http://download..ress/fortressfree.zip