Use Canva's drag-and-drop feature and professional layouts to design consistently stunning graphics.
FotoFlexer is a powerful online photo that can remove blemishes, change skin/hair color, morph photos and more.
GIMP (GNU Image Manipulation Program) is an image retouching and editing tool and is released under the LGPLv3 and later versions as free and open-source software. There are versions tailored for most operating systems including Linux, OS X, and Microsoft Windows.
Inkscape is a professional vector graphics editor for Windows, Mac OS X
and Linux. It's free and open source, and a good alternative to Adobe Illustrator.
IrfanView is mostly a viewer tool. You can rotate and resize an image, tweak its colors, brightness and contrast, add text captions or watermarks, sharpen your photo, remove red-eye, and apply a range of special effects.
Paint.NET is free image and photo editing software for PCs that run Windows. It features an intuitive and innovative user interface with support for layers, unlimited undo, special effects, and a wide variety of useful and powerful tools.
Photo Pos Pro Photo Editor is a free photo editor that offers users a wide variety of possibilities in the fields of Image Enhancing and Image Editing and in the field of Computer Graphics Design. Using the editor you can edit existing images, create new works based on existing images, create new works from scratch and more.
PhotoScape is a good simple photo editor. There are hundreds of clipart images ready to paste into your picture, you can add custom speech bubbles to an image, apply some great special effects, and even create animated GIFs.
PhoXo is a free and powerful image editing software. It's tiny, fast, easy to use, can be treated as a mini PhotoShop. Its features include layers, undo, over 50 special effects, batch processing, and a wide variety of useful and powerful tools for selecting, crop, painting, retouching, measuring and navigation.
PixBuilder Studio is a free image editing software program for digital photo editing, images processing, and resizing.