Aseprite - Aseprite is an art program dedicated to the creation of pixel art.
Canva - Canva is a graphic-design platform with a drag-and-drop interface to create print or visual content while providing templates, images, and fonts. Canva makes graphic design more straightforward and accessible regardless of skill level.
Pixelorama - Free and open source sprite editor and animator, ideal for pixel art.
Musée du Louvre - Musée du Louvre is a one-stop destination for you to explore the historical and modern artwork.
Piskel - Piskel is a website where designers online create sprites or pixel art.
IconLover - Icon editor for Windows.