Saw that cool video:
And remember, this orchestral sample library is loaded to the free Kontakt player for Windows, but together with Wine and Carla, it obviously works very nice within a free DAW in Linux as well.
Not everything will work tho – forget anything with dongles or other “security” hindrances. In that case, take really free (as in speech) things instead.
See also the German Howto about using Carla here. Thanks Felipe for this wonderful tool!