If Scheme is so good why MIT drops it?

[Scott Burson]

On Jul 19, 11:31 am, Frank Buss <f... at frank-buss.de> wrote:
> I don't know of a free modern and stable Lisp implementation with
> mulithreading support for Windows, with a licence with which you can use it
> in closed source commercial programs

Have you looked at ECL?

http://ecls.sourceforge.net/

I've used it only a little, so I can't vouch for its stability, but it
fits the threading and license requirements (well, some corporate
lawyers have trouble with the LGPL, but I think it's usable).

-- Scott