Abyss Web Server 2.5 - Free personal web server. (Free): "
Abyss Web Server X1 is a free personal web server. Despite its small footprint, it supports secure SSL connections (HTTPS), download resuming, caching negotiation, logging, CGI/FastCGI, ISAPI extensions, Server Side Includes (SSI), custom error pages, password protection, URL rewriting, IP address control, aliases, custom MIME types, index files, custom directory listings, anti-leeching, and bandwidth throttling. It features also an automatic anti-hacking system and an intuitive multilingual remote web management interface.
With Abyss Web Server X1, hosting your site and your PHP, Perl, Python, or Ruby on Rails Web applications is a matter of a few minutes.
"MacUpdate - Universal Binary - http://www.macupdate.com/macintel.php