Abyss Web Server is a free personal web server for Windows, MacOS X, Linux, and FreeBSD.
Despite its tiny footprint (the executable file size is less than 112 KB); it supports HTTP/1.1, dynamic content generation through CGI/1.1 scripts, SSI, custom error pages, and access control.
It features also a remote web management interface that makes its configuration as easy as browsing a web site.
With Abyss Web Server, hosting your web site and your PHP, Perl, or ASP scripts is a matter of a few minutes.

http://www.aprelium.com/