GIMP will be the best. The only exception is CS2. They are usually sold by people who purchased the boxed version of the program at the time of its release Photoshop plugins : brushes, textures, overlays, and actions.
Photoshop Express Editor is designed not only for PCs and browsers. But it was part of the Creative Suite and could be purchased via a one-time payment without a subscription. Keep in mind that it takes time to use this tool properly.
