Open Source OS Software

Debian

Debian is a computer operating system composed of software packages released as free and open source software especially under the GNU General Public License and other free software licenses.
Debian home page
Download Debian

CentOS

CentOS is a community-supported, mainly free software operating system based on Red Hat Enterprise Linux. It exists to provide a free enterprise class computing platform and strives to maintain 100% binary compatibility with its upstream distribution. CentOS stands for Community ENTerprise Operating System.
CentOS home page
Download CentOS

RedHat

Red Hat, Inc. (NYSE: RHT) is an S&P 500 company in the free and open source software sector, and a major Linux distribution vendor. Founded in 1993.
Fedora  is an RPM-based, general purpose collection of software, including an operating system based on the Linux kernel, developed by the community-supported Fedora Project and sponsored by Red Hat.
RedHat home page
Fedora home page
Download Fedora

Apache

The Apache HTTP Server, commonly referred to as Apache, is web server software notable for playing a key role in the initial growth of the World Wide Web
Apache Home Page

PHP

PHP: Hypertext Preprocessor. PHP is a widely-used general-purpose scripting language that is especially suited for Web development and can be embedded into HTML.
PHP home page
Download PHP

MySql

MySQL is a relational database management system that runs as a server providing multi-user access to a number of databases.
MySql home page
Download MySql

Perl

Perl is a high-level, general-purpose, interpreted, dynamic programming language. Perl was originally developed by Larry Wall in 1987 as a general-purpose Unix scripting language to make report processing easier.
Perl home page
Download Perl
Learn Perl