GIMP, knowned as "free Photoshop", open source software GIMP - Downloads (GIMP - Downloads) 3Picmonkey Free Online Photo Editor | Photo Editing, Collage Maker, Graphic Design | PicMonkey (Free Online Photo Editor | Photo Editing, Collage Maker, Graphic Design | PicMonkey) 4Pixlr https://pixlr.com/

Check out the full details here on Budget101.com