Cool ASCII Generator
This is so cool, I couldn’t help linking to it (although it’s late and I ahve to go to bed…) ASCII Generator turns any text into ascii art. Very helpful for e-mail signatures, text-based e-mails, etc. Very nice work.
(by Yna Feng blog)
Blatant self-promotion: On a related theme, have a look at this as well: http://ditaa.sf.net