Unity - Playmaker 1.7.7

Requires Unity 3.5.7 or higher.
Quickly make gameplay prototypes, A.I. behaviors, animation graphs, interactive objects, cut-scenes, walkthroughs...
Artists and Designers: Realize your creative vision without coding! Unlock the power of Unity.
Programmers: Add a powerful visual state machine editor to your toolbox. Interface with scripts or extend Playmaker with Custom Actions.