<human>: What are the best free photo editing software for Mac?
<bot>: The best free photo editing software for Mac is Adobe Photoshop Elements, which includes all of the features you need to make your photos look their best. It has a variety of tools and effects that can be used to edit images, including layers, filters, and special effects. Other great options include GIMP, Affinity Photo, Pixelmator Pro, and Corel Paintshop Pro.