MAMP is a solution stack composed of free and open-source and proprietary commercial software used together to run dynamic web sites on Apple Macintosh computers. MAMP is an acronym of Mac OS X, the operating system; Apache, the Web server; MySQL, the database management system; and P for PHP, Perl, or Python, all programming languages used for web development.Any open source Web platform made up of these software programs and built upon Mac OS X is a MAMP.