It is a workflow oriented photo retouching software with all necessary tools to quickly process camera raw images. For this purpose GTKRawGallery brings together the most powerfull open source tools existing to work with 16 bit color depth images: Dcraw, Imagemagick and Exiftool. It is also a full featured photo manager for most popular image formats.
Here is a summary list:
Popular formats: jpeg, tiff, gif, png, bmp, emf, apm, wmf, cur, ico, qif, qtif, icns, pcx, targa, tga, xbm, xpm, ras, ppm, pgm, pbm, pnm, wbmp, ani. Camera raw files: cr2, nef, crw, raf, kdc, dcr, mrw, sr2, orf, ptx, pef, arw, srf, x3f, erf, dng, bay, bmq, cs1, dc2, fff, k25, mos, rdc, rw2, 3fr, ari, cap, iiq, eip, dcs, drf, mef, nrw, pxn, r3d, raw, rw1, rwz. So you can manage a raw image like a jpeg or tiff :-)
GTKRawGallery is an open source project released with the GNU GPL 3 license.
No, it runs on Windows XP, Vista and Seven too.