You can download Luminance HDR 2.6.0 using one of these links: Minimum requirement for Luminance HDR is a CPU that supports SSE2.
Added post processing gamma and saturation.Speed up for hdr creation (Also thanks to Ingo Weyrich).All tone-mapping operators have been optimized for speed and lower memory consumption (Thanks to Ingo Weyrich).Four brand new tone-mapping operators: ferwerda, kimkautz, lischinski and vanhateren.
This new release introduces new features: After almost two years of development Luminance HDR 2.6.0 is finally out.