Windows users have to buy a copy of the program for a modest price of only 15 EUR.
Not quite open source then.
given by BC Dozier on September 8, 2010
Tried it on a Dell WIN 7 system. Very buggy. Never got past loading the 3 raw images. Hangs. Just loading 3 images took about 2 minutes. De-installed and re-installed the program. No improvement. Checking to see if it was perhaps an improvement over the HDR system in Photoshop.
given by Anonymous on October 13, 2010
you never pay for it, the new name is Luminance HDR. I am using in on XP and my vacation pics are coming out incredible
Not quite open source then.