GIMP - GIMP is a multiplatform photo manipulation tool.
Block! Hexa Puzzle - Block! Hexa Puzzle
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.
Slide Puzzle - The classic sliding tile game or 15 puzzle, played with your own photos.
MyPaint - MyPaint is a fast, distraction-free, and easy painting tool for digital artists.
Hexabrain - train your memory! - Hexabrain – is a puzzle game that will let you improve your visual memory skills in a fun way. Play Hexabrain and remember things more accurately!