Gimp is an image manipulation application. The initial release was in 1996 and its popularity continues to grow. It is a completely free program and is a great alternative to Photoshop. There is no need to pay hundreds of dollars for a great image editing software. Gimp is open source and completely free to download and use. The application features many tools for beginners and professionals as well. If you like editing pictures and graphics then this software is something you should definitely download. Gimp works on Mac OS, Windows and GNU/Linux.