SUPERIMPOSE X - Superimpose X is the most powerful and intuitive photo-editing application.
Adobe Photoshop - Adobe Photoshop is a webtop application for editing images and photos online.
XnView MP - XnView is a free software that allows you to view, resize and edit your images. It supports more than 500 different formats!
GIMP - GIMP is a multiplatform photo manipulation tool.
Pic Effects - Pic Effects is the perfect photo editing application for adding funny things to your photos.
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.