J-Painter
This is a general purpose image editor that allows drawing within a browser. The editor's GUI can be configured for specific applications. The image can be saved to the server in GIF, JPEG, PNG formats. The editor is an applet compatible with Java 1.4 or later and the most popular browsers on Win and Mac platforms (IE, Firefox, Safari, Chrome). The download package includes the documentation and examples in PHP, ASP.NET, JSP. You can try the editor at the product's website or install it on your one.