SmartState is a user friendly modeling tool for state diagrams, which can generate source code from the model. Generated code works with a well designed framework for state design pattern. Make your application more maintainable, portable and readable through the state pattern, by just designing it. Design once, target using C/C++/Java to Windows/Unix/Linux. XML api for customising as per user requirements. One and only one 100% runnable state machine code generator.