An multiplatform open source web server software stack, generally consisting of PHP/Perl, Apache and MySQL.
XAMPP is a software stack widely used in web development to emulate a web server. It's an acronym for:
- X: Cross-platform
- A: Apache
- M: MySQL
- P: PHP
- P: Perl
XAMPP comes in different versions according to the platform (LAMP for Linux, WAMP for Windows, MAMP on MacOS, ...) There are also versions running on Solaris (SAMP) and FreeBSD (FAMP).