The LightWave Assets / Plugins database maintains a list of free and commercial third-party plugins available for LightWave.
A web-based LScript to Python convertor
Bakes LW's native instances, replacing them with geometry
Creates a non-model panel for quickly changing object settings
An exporter for preparing and uploading models to Sketchfab's website
Layout toolset designed to make animating and rigging easier.
Shift the keyframes of selected items in Layout
jump forward / backward one layer using a hotkey
The OD Toolset is a combination of Layout and Modeler enhancements