TeslaST by AntipopStudio - Stereo Imaging Plugin VST VST3 Audio Unit AAX
Best FREE Stereo Widening VST Plugins | Transverse Audio
A1StereoControl - Free Stereo Enhancer VST/AU Plugin By A1AUDIO - Bedroom Producers Blog
NuGen Audio Stereoizer Elements - Stereo Enhancer 11-33156 B&H
Algorithmix K-Stereo -- High-Resolution VST Ambience processor for natural and unobtrusive enhancement, expansion, and equalization of the ambience, space, imaging, depth and width in a recording without adding artificial reverberation or causing