MyPaint - MyPaint is a fast, distraction-free, and easy painting tool for digital artists.
miniPaint - Online graphics editing tool use HTML5 technologies like Canvas, Offline support, Drag and Drop.
Microsoft Paint - Paint (formerly Paintbrush) is a simple, ultra-basic graphics painting program that is included...
RealWorld Paint - RealWorld Paint is an free portable image/photo/animation editor.
GIMP - GIMP is a multiplatform photo manipulation tool.
Paint XP for Windows 7 - Standalone old MS Paint program that allows you to get your old XP Paint interface in Windows 7.