Savant is a full-featured open source web server for computers running any version of Windows 95/NT or greater. It's fast, secure, and easy-to-use.
There is a publically avalible exploit for this server that you can check out and make yourself by visiting The Grey Corner and searching for the following: windows-buffer-overflow-tutorial This exploit has still not been fixed in the latest version of this software, and thus this exploit still exists in the latest version of this software. Do yourself a favor. Don't download. Unless you want your website hacked into.
Simple to use.