What are some alternatives?
GIMP - GIMP is a multiplatform photo manipulation tool.
Artipic Photo Editor - Artipic is a multi-platform image editing system that allows you to quickly and easily
Pixlr - Pixlr® makes it easy to transform everyday images into stunning works of art.
DoubleTake - Virtual wide angle lens for panorama images.
Adobe Photoshop - Adobe Photoshop is a webtop application for editing images and photos online.
ToolWiz Pretty Photo - ToolWiz Pretty Photo is a free powerful lightweight image editor.