Pixel Art to CSS - Draw and animate pixel art, export the results to CSS
Juice FX - Easily turn your pixel art into VFX for your video game.
piCSSel-art - Draw pixel art with CSS!
PixaTool - Convert any image or video into pixel art 👾
Pixel Art Studio - A purpose-built drawing tool for pixel artists
dddraw - A fun little drawing tool to make doodles that have a hand-drawn feel and export them as SVG.