Darktable is great. You can easily do pro-level photo editing. Anything you need for editing RAW files, you can do. The modules are powerful. The UI is good. Th

Darktable is great. You can easily do pro-level photo editing. Anything you need for editing RAW files, you can do. The modules are powerful. The UI is good. There is a learning curve, but there are also learning curves for the paid software options.