GIMP - GIMP is a multiplatform photo manipulation tool.
Pixlr - Pixlr® makes it easy to transform everyday images into stunning works of art.
Adobe Photoshop Express - Easily edit and share your photos in no time!
Photoscape - high quality photo editing software, that enables you to fix and enhance photos.
PicsArt - Explore 100,000,000+ awesome images and photos on the web
Adobe Photoshop - Adobe Photoshop is a webtop application for editing images and photos online.