The LightWave Assets / Plugins database maintains a list of free and commercial third-party plugins available for LightWave.
Lightwave UI and Panels Organizer
Commercial plugin which Imports layered photoshop psd files as objects
The LightForge Render Network for LightWave3D
A selection and menu system to speed up working in Layout.
A collection of different plugins
The OD Toolset is a combination of Layout and Modeler enhancements
Image sequence editor and custom image loader
Load and save OpenEXR format images
Global, shared node graphs.
Allows previous versions of LightWave to load object files from LW2018
Render very large images without running low on memory
Remesh complex models with good polyflow, quads and guides.
Straighten rectangular UV selection
QWrinkle is a Modeler plug-in to create wrinkles interactively.
Fits UV Maps Into 0-1 Space
Speeds up the creation of complex gradient-related nodes
Speeds up the "patch end caps"-process
Find and Replace Surfaces Based On a Search
Saves a time-stamped backup of a scene to a zip archive.
jump forward / backward one layer using a hotkey
Duplicates the 'warmth' and color space of an old tube TV
Disfigures and distorts the object along its motion path
Drag-and-drop-dead-easy™ network rendering for LightWave3D ScreamerNet
Shift the keyframes of selected items in Layout
Sets up and lunches ScreamerNet nodes