MONSTR is a multiband stereo imaging plugin, available for Windows, Mac, and Linux. It allows the user to control the stereo width of a sound in 3 different frequency bands, and so can be used to perform common tasks such as narrowing the bass frequencies while adding width to the highs, allowing fine control over the stereo image of your mix.

Install instructions and plugins for all supported platforms are included in the download.

Source code is available at: https://github.com/jd-13/MONSTR-Stereo-Imaging/