Nearly everyone in San Diego knows that Adobe's Photoshop is the standard when it comes to photo editing. In the past, Adobe would sell photoshop for a few hundred bucks (which is still expensive) but as of late, all Adobe products have gone into a subscription basis. Photoshop alone costs either $240/year or $29.99/month… so what about the people who want to casually edit photos, but can't justify the huge cost?
Enter GIMP (GNU Image Manipulation Program). For the average person, you'll get all the tools you need to edit, enhance and manipulate photos, without all the added stuff you don't need. Best of all, GIMP is free for Windows, Mac and Linux.
You can download GIMP for free here: http://www.gimp.org/downloads/