Aseprite - Aseprite is an art program dedicated to the creation of pixel art.
Stickman: Draw animation - Stickman: Draw animation is an animation editing tool that allows you to create your own animated movies in a few minutes.
Pixel Studio - The Pixel Art Is Always Fun
CALLIPEG BY ENOBEN - CALLIPEG BY ENOBEN is a hand-drawn animation app that is easy to use and perfect for anyone who wants to create their own cartoons.
Piskel - Piskel is a website where designers online create sprites or pixel art.
ibis Paint X - Drawn with + ibisPaint