Adobe Photoshop - Adobe Photoshop is a webtop application for editing images and photos online.
FotoSketcher - Turn photos to paintings, drawings and sketches. FotoSketcher is a 100% free program to turn your photos into beautiful art, automatically.
GIMP - GIMP is a multiplatform photo manipulation tool.
Elfin Photo Editor - Elfin Photo Editor is a handy program that enables you to make your photos shine.
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.
Magic Photo Editor - Magic Photo Editor for Windows is a feature-rich application that allows you to create original edits of photos.