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.