We do. Have a google. Some are also mentioned in the comments. All major business tools have them (e.g. XMLSpy) - just not unix/lisp/hacker tools. May be why yo

We do. Have a google. Some are also mentioned in the comments. All major business tools have them (e.g. XMLSpy) - just not unix/lisp/hacker tools. May be why you haven't heard of them.