F-Spot can handle these, but needed patched to recognise the .kdc extension. I'll upload 0.3.5-0ubuntu2 after beta release.
** Changed in: f-spot (Ubuntu) Status: Unconfirmed => Fix Committed -- Camera RAW files open with wrong apps https://launchpad.net/bugs/91488 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs