Aseprite - Aseprite is an art program dedicated to the creation of pixel art.
Pixel Art Studio - A purpose-built drawing tool for pixel artists
Pixilart - A drawing app for delightfully retro pixel art
Pixel Art Camera - Real-time pixel art camera
Piskel - Piskel is a website where designers online create sprites or pixel art.
JS Kid Pix 1.0.2021 - Kid Pix 1.0 remade in JS/HTML