PhotoPad Pro

PhotoPad Pro for Mac is a photo retouching program that lets you crop, rotate, and apply loads of effects and corrections.

Change the tone, saturation, and brightness of any image with just one click. Plus you can easily apply sepia, black and white, and negative filters as well as color correction.

The program is compatible with GIF, JPG, BMP, PND, and PSD formats. In other words, you can even open files saved in Photoshop and edit them from PhotoPad Image Editor.

PhotoPad Pro for Mac is a lightweight, easy to use, and quite intuitive program, which makes it an excellent alternative to Adobe Photoshop.