PHP is a widely-used general-purpose scripting language that is especially suited for Web development and can be embedded into HTML.
MySQL is the world's most popular open source database software, with over 100 million copies of its software downloaded or distributed throughout it's history.
The Apache Software Foundation provides support for the Apache community of open-source software projects. The Apache projects are defined by collaborative consensus based processes, an open, pragmatic software license and a desire to create high quality software that leads the way in its field.
CentOS is an Enterprise-class Linux Distribution derived from sources freely provided to the public by a prominent North American Enterprise Linux vendor. CentOS conforms fully with the upstream vendor's redistribution policy and aims to be 100% binary compatible. (CentOS mainly changes packages to remove upstream vendor branding and artwork.) CentOS is free.
It is an independent self-governing meritocratic Foundation, currently in the process of being established, by former leading members of the OpenOffice.org Community.
KDE is a powerful graphical desktop environment for Unix workstations.
The mozdev.org site provides free project hosting for Mozilla applications and extensions.
Extra Packages for Enterprise Linux (or EPEL) is a Fedora Special Interest Group that creates, maintains, and manages a high quality set of additional packages for Enterprise Linux, including, but not limited to, Red Hat Enterprise Linux (RHEL), CentOS and Scientific Linux (SL).
The ArchAssault Project is an Arch Linux derivative for penetration testers, security professionals and all-around Linux enthusiasts.
The OpenSSL Project is a collaborative effort to develop a robust, commercial-grade, full-featured, and Open Source toolkit implementing the Secure Sockets Layer (SSL v2/v3) and Transport Layer Security (TLS v1) protocols.
Cygwin is a collection of tools which provide a Linux look and feel environment for Windows and a DLL (cygwin1.dll) which acts as a Linux API layer providing substantial Linux API functionality.
Manjaro is a user-friendly Linux distribution based on the independently developed Arch operating system. Available in both 32 and 64 bit versions, Manjaro is suitable for newcomers as well as experienced Linux users.