The LightWave Assets / Plugins database maintains a list of free and commercial third-party plugins available for LightWave.
Selects and fixes non-symmetrical points
Corrects point positions to make the object symmetrical again
Repair small glitches when points become non-symmetrical
Uses point selections to correct symmetry in a non destructive way
Restores symmetry in a model by deleting one side and mirroring
Fixes symmetry issues, supports VMaps
Divide an object in half & select, delete, or make it symmetrical