This is colliders free system which uses custom RayCast and SphereCast functions to detect objects. It supports Skinned, Rigid(Non Skinned) meshes as well as some custom shapes - Cubes, Spheres and Planes. The system DOES NOT REQUIRE Unity PRO. You can write code in C#...
Dynamic RayCast System v 1.31 submittet for review. Check out what's new.