Pixlr - Pixlr® makes it easy to transform everyday images into stunning works of art.
Photoscape - high quality photo editing software, that enables you to fix and enhance photos.
Adobe Photoshop Express - Easily edit and share your photos in no time!
Pixelmator - Pixelmator is an image-editing application for Mac and iPad.
PicsArt - Explore 100,000,000+ awesome images and photos on the web
ACDSee - ACDSee is an image viewer that uses very little system resources, and it has a small, sleek size that won't take up much space on your system.