I wrote, and continue to work on, the lispdoc - a search engine for Lisp documentation.
Common Lisp is the best programming language I've ever used. The list includes
A very simple infix to RPN converter
A fun hack that makes the Lisp reader treat all decimals as rationals.
Here is the classical binary chop implemented in the
obvious iterative and recursive ways, and then just for fun as a quine-like program.
Here is a very very simple Reddit clone that I wrote in one hour.
I went to the ILC at Stanford in 2005. You can see some of the photos I took
I'm working on a crossword program named clutu.