Blurt - Compose efficiently. Edit smartly. Stay on track. Blurt is all you need to write — in one sleek tool.
Artsy - A global platform for discovering and collecting art.
Kunstmatrix - Revolutionize the way you promote your art online
ArtMajeur - +1 Million original artworks, Free Shipping Worldwide, Low prices guaranteed, 14 days return: buy all the art you love on Artmajeur!
Rapidweaver - A WYSIWYG web editor for mac.
WikiArt - The Encyclopedia of Fine Art