XAMPP is a completely free, easy to install Apache distribution containing MySQL, PHP, and Perl. The XAMPP open source package has been set up to be incredibly easy to install and to use.
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Pro Smooth installation with minimal configuration required
Port 443 is in use from Skype. You can change the port in Skype.
XAMPP runs on OS X, Linux and Windows.
Pro Clean and functional interface
Comes with mail server, FTP server, accelerator, web-dav, ssl out of the box, etc.
Con doesnt has phpselector
Need downgrade to use php5