unity FlowCanvas
The complete Visual Behaviour Authoring framework for Unity, empowering you to create advanced AI Behaviours and Logic,
including three separate, fully featured, yet seamlessly interchangeable modules for you to choose and easily add in your game:
Behaviour Trees
Hierarchical State Machines
Dialogue Trees
NodeCanvas is a production ready framework used by many awesome games including Kim, Pamela, Hurtworld, Shroud of the Avatar, Kingdom and Ghost of a Tale.