This sure looks more than interesting and is available for #linuxaudio – a color coded #opensource multi-channel #spectrum #analyzer #standalone app and #plugin that helps to make better mixes by visually separating tracks to identify frequency clashes and tame resonant peaks.
See a video demonstration here https://youtu.be/9gL8FKBfXtc or grab an early #alpha at https://github.com/QuentinFAIDIDE/KholorsStation/releases or from the #aur at https://aur.archlinux.org/packages/kholors-station-git.