FotoFlexer - FotoFlexer is the most powerful online photo editor in existence.
Adobe Photoshop - Adobe Photoshop is a webtop application for editing images and photos online.
Photoshop.com - Photoshop.
GIMP - GIMP is a multiplatform photo manipulation tool.
Fun Photo Box - FunPhotoBox is a free photo editing device where you can make clever pictures from your photographs.
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.