HCR-Edit is a tool for editing high color resolution images. It is programmed in Delphi and should run on all 32 bit Windows versions.
HCR-Edit is no more actively developed since i have moved away from the Windows platform completely. There are meanwhile quite a lot of other programs available that allow editing high color resolution image files, especially in the context of high dynamic range photography.
The program is mainly designed for post processing POV-Ray generated images but is generally suited for editing files from other sources too.