Simple & versatile image editor.
Drawpile
Drawpile is a Free software collaborative drawing program that allows multiple users to sketch on the same canvas simultaneously.
Dessin
This application is a basic image editor, similar to Microsoft Paint, but aiming at the GNOME desktop.
Ma peinture
MyPaint est un outil agile, sans distraction et simple pour les peintres numériques.
Krita
Krita is a FREE and open source painting tool designed for concept artists, illustrators, matte and texture artists, and the VFX industry.