KiddoPaint - MS Paint in your browser (with emojis 💃😽🎨)
Krita - Krita is a professional FREE and open source painting program. It is made by artists that want to seaffordable art tools for everyone. Concept art. texture and matte painters, illustrations and comics.
JS Paint - JSPaint is a web-based Microsoft Paint remake
TwistedBrush Pro Studio - A powerful and unique natural media painting program.
GIF Paint - Like MSPaint… for GIFs.
GIMP - GIMP is a multiplatform photo manipulation tool.