This is available for a week from the link below. I own and use V 5 Pro. It will blend exposure brackets or a single file. It is German software and English support is basic but it is reasonably intuitive to use even if you just rely on the presets.
The latest stage of the HDR technology HDR projects 4 professional – this is magic. Start with complete light information. Once you have seen HDR images, normal images will just seem boring. HDR