From Rosetta Code
My Favorite Languages
Language Proficiency
C++ Bread and butter
C Bread and butter in previous life
x86 Assembly Wrote a book about it, 12 years ago
AWK Advanced
UNIX Shell Advanced
Java Intermediate
PPC Assembly Forgetting
MIPS Assembly Forgetting
SPARC Assembly Forgetting
PDP-11 Assembly Forgetting, unfortunately
Fortran Forgotten
Forth Intermediate
MUF Intermediate
joy Intermediate
PostScript Novice
Scheme Intermediate
OCaml Intermediate
Hope Intermediate
Haskell Novice
Joy Novice
Prolog Novice
J Novice
APL Novice
tcl Novice

I have a webpage where I've done something similar to RC: implementation of a bunch of algorithms for fibonacci numbers in a bunch of languages: