Photo Size Optimizer - Photo Size Optimizer for Mac is a powerful photo resizer and optimizer to optimize photos by 80% ~ 20%.
ACDSee - ACDSee is an image viewer that uses very little system resources, and it has a small, sleek size that won't take up much space on your system.
Adobe Photoshop - Adobe Photoshop is a webtop application for editing images and photos online.
Photoscape - high quality photo editing software, that enables you to fix and enhance photos.
ToolWiz Pretty Photo - ToolWiz Pretty Photo is a free powerful lightweight image editor.
Fotor - Fotor is an all in one visual platform. It includes photo editor, collage maker, and graphic designer. You are free to make a visual look more beautiful.