Comment by lemoncookiechip

These are all valid alternatives with real world use, but none of them are Photoshop, and that's kinda the problem we face.

Krita - https://krita.org/en/

Photopea - https://www.photopea.com/

GIMP - https://www.gimp.org/

Inkscape- https://inkscape.org/

Affinity Photo - https://affinity.serif.com/en-us/photo/

Paint.Net - https://www.getpaint.net/