Tux Paint app
Tux Paint is Graphics tool that is open source under the GPL-2.0-or-later license. Tux Paint is a free, award-winning drawing program for children ages 3 to 12 (for example, preschool and K-6).Tux Paint is used in schools around the world as a computer literacy drawing activity.
It combines an easy-to-use interface, fun sound effects, and an encouraging cartoon mascot who guides children as they use the program.