Adobe Photoshop - Adobe Photoshop is a webtop application for editing images and photos online.
Carbon - Create and share beautiful images of your source code.
GIMP - GIMP is a multiplatform photo manipulation tool.
RNI Films - Real film filters for iPhone photographers
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.
infltr - Discover Infinite Filters for every Picture!