1. Inset tool
Does the same thing that 3ds max inset.
Download page HERE (just click on it).
2. Pipe generator
This one creates wires and pipes from curves.
Download page HERE.
3. Ali.mel
Another similar 3ds Max tool (align tool). This one allows to align different object's scale, position and rotation.
Download page HERE.
4. Duplicate along curve
This MEL script allows you to duplicate groups or objects along curve. It was originally developed to easily create rollecoaster/railroad tracks along any curve.
Download page HERE.
As you saw, all scripts are from creativecrash.com, dont be lazy and register to found more useful scripts ;)