10 Best Photo Editing Software !

 1. Gimp

Gimp is not only photo editing software but also  can drawing picture.It has strong tools. like pencil, brush, Airbrush, gradient, blend and clone tools also. what says wikipedia,  GIMP ( GNU Image Manipulation Program) is a raster graphics editor[5] used for image retouching and editing, free-form drawing, resizing, cropping, photo-montages, converting between different image formats, and more specialized tasks.   

GIMP is released under LGPLv3 and GPLv3+ licenses and is available for LinuxOS X, and Windows.   

Click to Download