This is a free editing software with meny options, it's available for Mac and Windows.
You are able to change the standard things like:
- Cropping ( Really smooth this one )
Also you can apply: Clarity, Deepness, Light shadows, Dark shadows, Vignette, blur , show only 1 colour in the image make the rest gray and a bunch of presets.
Go check it out for yourself
~ The Silcophotography team