CJIT - C, Just In Time!

Long-time Slashdot reader jaromil writes:
As a fun project, we hacked together a C interpreter (based on Tiny C Compiler) that compiles C code in-memory and runs it live.
CJIT today is a 2MB executable that can do a lot, including call functions from any installed library on Linux, Windows, and MacOSX.Slashdot reader oliwer points out "they are also including a REPL, which could be interesting." And the CJIT web page promises there's "no EULA to sign, no IDE to install... 100% Free and open sour