MAMP PRO is the commercial, professional grade version of the classic local server environment for Mac OS X: MAMP. Designed for professional web developers and programmers, MAMP PRO allows easy installation and administration of their development environment under Mac OS X. Current price: USD 59.00.
With MAMP PRO, you can easily connect your local server with an existing Dynamic DNS provider, as for example dyndns.com. Making it very simple to quickly make the results of your work accessible externally for superiors and prospective customers. And because you can set up many virtual hosts, you can easily offer alternative configurations or suggestions.
Main Features:
Apache web server
MySQL database server
phpMyAdmin to access your MySQL databases
PHP as a module for the web server
Web server and database server can run on standard (well-known) or custom ports
Info on Free version; http://www.mamp.info/en/mamp/index.html
MAMP stands for Macintosh, Apache, MySQL and PHP
More info: http://www.mamp.info/en/mamp-pro/index.html