Any libraries to aid writing programs with source code shaped like drawings (such as http://www.ioccc.org/1998/banks.c or http://groups.google.com/group/comp.lang.c/msg/e105e5d339edec01). For any language.
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              Your second link made my day :D And it really works!
If you want to play with source code, perl is your friend! Have a look at http://search.cpan.org/~asavige/Acme-EyeDrops-1.55/lib/Acme/EyeDrops.pm for an example. I know you want a language agnostic tool, but I don't think such a thing exists.
                  kicsit
                   2010-05-12 14:22:57
                
              yeah, that link is awesome:))
                  Gabriel Ščerbák
                   2010-05-12 23:55:28
                I was not looking for a language agnostic tool, but libraries that make it even easier to do this sort of thing (say by having certain shapes for functions/objects or even better something like ACME::EyeDrops, that looks really amazing) (answers from any languages are fine).
                  Roman A. Taycher
                   2010-05-13 00:42:38