HDR software allows computer graphics to offer the full real world levels of illumination, with darker darks and brighter lights, while at the same time increasing the amount of lighting detail displayed in all areas of the image. While standard image formats utilizes 8, 16 or 24 bits with applied gamma and color space, the HDR image format extends the bit depth up to 96 bit in a linear color space. Additionally, HDR images can be photometrically correct.
To provide an insight into the quality of software that is available, we have compiled a list of 6 top quality open source HDR applications. Hopefully, there will be something of interest for anyone interested in HDR imagery.