The Array tool is a re-creation of 3DSmax's object array tool inside of Unity
Link to 3DS max's Documentation on the Array Tool
Features: -Dynamic preview of array creation right in the editor -1D, 2D, 3D & Radial -Multiple Array transformation types: iterative (values applied to each element), total (value is the max value, each element divided evenly in-between), Uniform (values applied to all elements) -New Objects can maintain their hierarchy -Can Instantiate new prefabs or simple clones.
The Randomize tool goes hand in hand with the array tool, it is an easy way to apply a random value to the position, rotation, and/or scale of selected objects to remove the perfection of placed objects in the scene. Works with Child objects. Can also be only applied to child objects.