Google Arts & Culture - Explore collections of art and culture from around the world, both past and present.
Background Remover Net - Remove background from your images fast and free
AutoPortrait - AI Portraits Generator - Generate unique portraits of yourself using AI
ClippingMagic.com - Remove image backgrounds online. Make backgrounds transparent, white, etc. Edit, crop, rotate, fix colors, add shadows, all you need for great photos!
Google Art Palette - Unique color combinations, drawn from the world of art
Bg Eraser - Background Eraser on Mac and Windows.