If you want a good alternative to Photoshop and don’t need some of the extreme functions then Affinity Photo is a great choice. Due to the Coronavirus pandemic they are offering it now at 50% off (only $24.95). Many of us on this board use it. https://affinity.serif.com/en-us/
I was just going to post this! You beat me to it…
Their entire suite is 50% off. Including other products beyond their Photo product.