This Photoshop course is 97% off, which is basically the closest to free you can get

Professional photo tools like Photoshop are no longer just for the pros. Not only are they pretty easy to learn, just a few tweaks to lighting and color grading can turn your photos from ho-hum to seriously wow-worthy.

What you can do with Photoshop all comes down to having the right learning tools — like the Complete Photoshop Mastery Bundle, a series of eight courses that contain 20 hours of training. 

You’d be surprised at what you can do to photos without knowing much about photography. In this bundle, you'll learn how to add sunlight effects for that soft, nostalgic look, use curves and masks to create artwork inspired by 19th-century Art Nouveau portraits, and retouch your photos. More of the noir type? Learn how to style your photos so they look like they were grabbed right from the silver screen, colorize black and white photos, enhance portraits, and more.  Read more...