The best for HDR is Oloneo Photoengine. There are several software in the market but Oloneo Photoengine is best. We are using this software for HDR and Raw processing. It is best for low light photography and it is having the ability to adjust the brightness, contrast and white balance of the image which is very important for our work. I would say this is my favorite and I like that this software is not much expensive, it is the best for beginners, and it also offers a lot of great features. I used this photo editing tool while editing RAW and HDR images. Oloneo Photoengine is best with Low light photography. I am using this software for HDR and RAW processing. I like that it can be used with any camera format and that it has many different features. The interface could use some work, but it's not too difficult to get used to. It also has a lot of options for editing photos. I've been able to improve my photos using this software. I'm able to edit out unwanted objects in the background and add more detail to the foreground.