Io Comparisons
Compares a few variables (size, speed, syntax) in many languages: Brain, C, Cel, F-Script, Forth (gForth, pForth), Icon, Java (Kaffe), Lisp (CLisp, Guile, LispMe, Scheme48), Lua, Perl, Pike, Python, Ruby, Self, Smalltalk (GNU, Squeak, SuperCollider), Tcl.