Alfred 2 & power pack
*CodeGofer Download existing and create your own code recipe libraries (XML); search and copy to clip board via hotkey
*FoldingText & FoldingText Dev Build The dev build has limited but growing github flavored markdown fenced blocks. Next build will include Ruby.
*iTerm I edited my bash login/profile dotfiles (e.g., .bashrc) to colorize and customize my terminal, which I find much easier to read and navigate. This app can accomplish the same, plus provide access to other settings