XDepth for Adobe Photoshop CS2/CS3
OSX 10.4 Tiger | OSX 10.5 Leopard

XDepth plugins for Adobe Photoshop CS2 and CS3 are now available free of charge for MacOS.
XDepth Beta 1 for Adobe Photoshop allows High Dynamic Range image compression that is compatible with the widely-spread Jpeg format. This version is not supported anymore.