I don't know many uses of awful in production.

http://paste.call-cc.org/ is awful-based. My home page (http://parenteses.org/mario/) is also in awful, but it's nothing fancy.

It's been ported to CHICKEN 5, by the way: http://wiki.call-cc.org/eggref/5/awful

I took a peek at the link to your homepage. I wish I had a cute dog named Ada!

Also the test stuff and the compiler itself. :-)

Regarding non-own dog food, http://wiki.call-cc.org/Software lists some projects using CHICKEN.

Scsh's process notation has been ported to CHICKEN as an egg: https://wiki.call-cc.org/egg/scsh-process