ICFP2009 is a project mainly written in CLOJURE and C, it's free.
ICFP 2009 Code Repo
Team: FOO TANG CLAN
Motto: FOO TANG CLAN AIN'T NUTTIN' TO FUCK WIT
-Jordan (cod' dirty bastard) -Yacin (codeface killah) -Tristan (function man) -Jess (rsakwon)