zsimic

{
    /* ~/Library/KeyBindings/DefaultKeyBinding.dict

        See https://gist.github.com/zsimic/1367779, prefix cheatsheet:
        Char Short Key
        $    S-    Shift ⇧
        ^    C-    CTRL ⌃
        ~    O-    Option ⌥ (⊞ Win key position on PC)
        @    M-    Command ⌘ (Alt position on PC)
        #          Numeric Keypad