Fortitude HTTP

Fortitude HTTP is a web server for Windows which was created to give users a free, easy-to-use and open source alternative to commercial Windows web servers. Fortitude HTTP features hundreds of in-depth behind the scenes security features and a growing number of user defined security features. It supports multiple sites, port sharing, virtual roots, CGI, scripting engines, custom filters, HTTP compression and caching, HTTP 1.1 resume, an easy to use front end, and a fully configurable XML back-end.