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
Download Free Stereo widener plugin: StereoWidth by Blue Lab Audio
Download Free Stereo expander / limiter plugin: A1StereoControl by A1AUDIO.de
Free Plugin - A1StereoControl From A1 Audio | Production Expert