(a lot) OS leopard 10.5 still, windows XP, ubunti 9.04 workstation and server; FreeBSD<p>----------<p>stalwarts: C, python, ruby, perl, awk, javascript<p>adopting and loving it: clojure, scala, erlang,<p>assessing capabilities/complexity: ocaml, F#, haskell<p>----------------<p>editors of choice: vim, komodo, Jedit, gedit<p>cause clojure and erlang encourage it: emacs