Magnus - Shazam for art
SINGULART - World's Leading Online Art Gallery
Artsy - A global platform for discovering and collecting art.
Art Concierge by Vango - Your personal art consultant, on-demand (Magic for art)
ArtMajeur - +1 Million original artworks, Free Shipping Worldwide, Low prices guaranteed, 14 days return: buy all the art you love on Artmajeur!
Visual Society - Build a website to showcase and/or sell your photos online.