On Wed, 31 Oct 2007 13:47:23 +0100, David Teller  
<David.Teller@univ-orleans.fr> wrote:

>      Hi everyone,
>
>  I've had an idea for a potentially useful project, but no time or
> manpower to put on that idea, so here it is, in case anyone is
> interested.
>
>  In a few words: a beginner-oriented environment to build OCaml programs
> only by clicking and dragging stuff around, with real-time type checking
> to prevent connecting stuff when types don't match. For people aware of
> Pure Data [1] or Scratch [2], well, this would essentially be a
> functional version of either.

Microsoft Popfly won't output Ocaml programs, but it can make some cool  
mashups:

http://www.popfly.ms/

Cheers,
Adam.