GIMP - GIMP is a multiplatform photo manipulation tool.
Cool Math Endless Run - Cool Math Endless Run is a monster math game and an endless run adventure.
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.
MathIsFun Times Table - Learn Your Multiplication Tables
MyPaint - MyPaint is a fast, distraction-free, and easy painting tool for digital artists.
Bounty Matics - Math can be fun and Bounty Matics proves it - you play as a bounty hunter that must win duels.