Gimp is great but I wish they'd change the name

Manipulated graphic images are so ubiquitous these days. Photoshop has played such a role in popularising this kind of artform that it has even managed to become synonymous with it. At ASHS we wanted our students to learn how to create these kinds of images, but we didn't want to pay tens of thousands of dollars, and nor did we want to only allow a privileged few to develop these skills. Enter GIMP. Gimp can do just about everything Photoshop can do: resizing and cropping photos, altering colors, combining multiple images, removing unwanted image components, and converting between different image formats, but it's open source and it's free.
So this is GIMP: great App; pity about the name: