Set of maya scripts:
MTAligner: this tool is similar to Align Tool on 3D Studio Max. You can align position, rotation and scale of one object relative to another.
MTRotator: this tool is usefull to rotate any number of objects around one point, or other object or the center of all objects selected.
MTKeyTransform: with this tool, in an animation, you can select a list of objects, after you can define a range of frames, and move and rotate selected objects relative to reference frame.
MTRuntimeKeyTransform: with this tool you can see on maya’s viewport the animation curve of one object, also you can see and modify the keyframes of animation and see the result immediately.