GIMP is an open source free software that is compatible with Windows 10. GIMP – Best Open-Source Free Photo Editing Software for Windows 10 Resizing, cropping, filter application and reconstructing the images are some of the features that a photo editing tool holds, but you can expect more from the following best 17 free photo editing software for Windows & Mac. With the best photo editing software free application, any newbie can easily covert their simple images into Instagram styled stills. Windows Free Download Win Version Mac Free Download Mac Version