WePaint

WePaint is the coolest image and photo editing software. With WePaint, you can edit photo or paint in any way you like. It provides Office like user interface and supports layers, art brushes, powerful effects, unlimited undo, and social media integration tools. The key Features are streamlined user interface, unlimited layers, unlimited history, support all popular image file formats ( PSD, Raw Camera Image, PNG, JPEG, BMP, GIF, TGA, TIFF and other 30+ formats), share to Facebook, Twitter, applications, Online Clip-art Search, Tray Icon and Screen Utilities such as Screen Capture, Protractor, Whiteboard, and ScreenRuler. It has advanced gradients support and Win7 Integration.