https://plasmator-games.itch.io/shadowscape-generator

ShadowScape Generator is a standalone tool for creating evolving drones, atmospheric layers, ambient textures, and experimental soundscapes. It blends classic synthesis (oscillators, noise, filtering, reverb) with a flexible Granular Engine capable of transforming any audio file into slowly shifting, organic textures.

The tool is now on early acces, with a discount of 50%!

Also, you can win it for free, since is a prize for the Music Composer Jam #2: https://itch.io/jam/music-composer-jam-2