Easily adjust the position/rotation/scale of GameObjects in a scene.
Video demo/tutorial: http://youtu.be/QJXmq8HzN2c
Controls: Simple Shift+WASDQE controls to nudge/move, rotate(roll, yaw pitch), scale. Non-intrusive and adjustable in script. Enable/Disable utility as a whole in the Settings window.
Snapping: Move by a fixed distance or even snap to grid.
Settings: Adjust any of the move rates or snap distances in the settings window. The settings are saved and persist. Native Unity interface and GUI.