WaveLab Elements supports WaveLab Elements-specific plug-ins, VST 2 plug-ins, and VST 3 plug-ins.
WaveLab Elements-specific Plug-ins
Some specific plug-ins are included in WaveLab Elements, for example, the Resampler plug-in.
VST Plug-ins
Steinberg’s VST plug-in format is supported by a lot of programs and plug-in manufacturers. You find a number of VST plug-ins included with WaveLab Elements. Other plug-ins can be purchased separately from Steinberg or other manufacturers.