libcaca web says: Libcaca is free software, and can be used, modified and ditributed under the terms of the Do What The Fuck You Want To Public License. But gentoo package has LGPL-2.1
Read the license packed with the tarball.
*** Bug 137691 has been marked as a duplicate of this bug. ***
I added a note on the webpage to clear up any remaining confusion.
(In reply to comment #3) > I added a note on the webpage to clear up any remaining confusion. Thanks... We'll put it into portage w/ the new license when it's out of beta, most likely.