MAMP is described as 'Installs a local server environment in a matter of seconds on your computer. It comes free of charge, and is easily installed. MAMP will not compromise any existing Apache installation already running on your system' and is a popular Web Server in the development category. There are more than 25 alternatives to MAMP for a variety of platforms, including Windows, Mac, Linux, Self-Hosted and PHP apps. The best MAMP alternative is XAMPP, which is both free and Open Source. Other great apps like MAMP are FlyEnv, WampServer, AMPPS and DDEV.
Wamp is quick, responsive and easy to use. In performance, Wamp is better.