Here's a trailer for XrayCat ST 1.5 for 3ds Max.
Freelancer artist John Martini has released Welder 1.0, a script for 3ds Max that creates welds between intersecting geometry.
Add a new layer of configurability to 3ds Max with Max Hotbox, a script by Andreas Meissner.
Smooth Edges for 3ds Max
Enjoy a new innovative way of modeling with Smooth Edges, a useful new script for 3ds Max.