The LightWave Assets / Plugins database maintains a list of free and commercial third-party plugins available for LightWave.
Find and Replace Surfaces Based On a Search
The OD Toolset is a combination of Layout and Modeler enhancements
Quick selection surfaces directly in layout viewport
Replaces the surface data in an object sequence with another surface
Allows you to bake multiple objects in a series and via a render farm
Picks the surface of a selected polygon in the Surface Editor