We all know Photoshop is the most popular graphics/image editing software. However it is not Free. Here I am going to share with you the best 3 alternatives of Photoshop. 1. GIMP - GNU Image Manipulation Program It is probably the most popular free and open-source image editing software and is available on various operating systems, Linux, Windows, OS X, OpenSolaris, FreeBSD. GIMP has lots of tools/features for editing or retouching image and it supports plugin to extend its features-(GAP) GIMP Animation Package, (GPS) GIMP Paint Studio. Download GIMP http://www.gimp.org/downloads/ 471