Minecraft Skin Viewer is a program that will allow you not only to view the skins, but to create their own. Multilingual interface, Drag & Drop support, the ability to change the background, as well as the management model of the player. You can browse skins by nick or download
MCSkin3D tool for creating and editing skins and textures from the developer Paril. In this program there is also a good opportunity to change the skin on a 3D model of the player that greatly simplifies the process.
Drawing program, modify, and save their own skins. Program format is swf, which you can open with any browser or flash player
