When comparing XAMPP vs WAMP, the Slant community recommends XAMPP for most people. In the question“What are the best Windows web development environment for PHP?” XAMPP is ranked 2nd while WAMP is ranked 5th. The most important reason people chose XAMPP is:
Port 443 is in use from Skype. You can change the port in Skype.
Specs
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Pros
Pro Smooth installation with minimal configuration required
Port 443 is in use from Skype. You can change the port in Skype.
Pro Multi-platform
XAMPP runs on OS X, Linux and Windows.
Pro Clean and functional interface
Pro Lightweight
Pro Easy-to-use
There's no hassle in unzipping files or anything - you simply run an installer, and you're done. Additionally, you can install new features (such as PHP 8), and even update, simply by downloading .exe files from a certain repo and running them.
Cons
Con Bloated
Comes with mail server, FTP server, accelerator, web-dav, ssl out of the box, etc.
Con doesnt has phpselector
Need downgrade to use php5
Con Windows-only
WAMP runs on Windows only.