Etoys - Etoys is an educational tool for teaching children powerful ideas in compelling ways.
GIMP - GIMP is a multiplatform photo manipulation tool.
GCompris - Educational Game for Children 2 to 10 years old.
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.
I Know It - "I Know It" is an online game for practicing primary-level math concepts.
MyPaint - MyPaint is a fast, distraction-free, and easy painting tool for digital artists.