| General purpose multiple alignment program for DNA and proteins | |
| http://www.clustal.org/ | |
| clustalw-2.1-r2 | GPL-3 LGPL-3 |
| downloadamd64 ~ppc ~ppc64 ~sparc ~x86 ~amd64-linux ~x86-linux ~ppc-macos | gentoo |
| clustalw-1.83-r4 | clustalw |
| downloadamd64 ~ppc ppc64 sparc ~x86 ~amd64-linux ~x86-linux ~ppc-macos | gentoo |