A Smart Wiki (written in Erlang Language) in which pages are literate programs written with embedded Scheme code. Pages are also language-level modules, and can refer to and build on one another. Scheme code can either be evaluated to show a simple result, or used for dynamic HTML generation.
Now with the more memorable URL gallery.vegetable.org 
????-??-?? (Page is no longer available - is there a new one?
????-??-?? I can bring it back Real Soon Now. I'm between servers)
2003-12-15 The code is available at sf.net
2006-02-06 gallery.vegetable.org still doesn't seem to exist. Any news?
2006-09-09 Site still not available. Remove the link?
2011 June, looks like a Search Engine Optimzer (SEO) or keyword finder, and not a Wiki Place at all.
See Scheme Wiki, Meatball:Self Programming Wiki, also a Perl Self Programming Wiki at purl.net
See also Reflective Wiki, Meta Baby
See original on c2.com