https://pixabay.com/de/duesenberg-mormonen-meteor-1935-3d-745266/
Best Alternative to Photoshop
Krita is a FREE digital painting and illustration application.
Krita offers CMYK support, HDR painting, perspective grids, dockers, filters, painting assistants, and many other features you would expect.
Krita: Beschreibung und Download
https://krita.org/