We proudly are fans of OpenSource community. See some of the community sites as followings:

gnu.org GNU's Not Unix! - The Free Software Foundation (FSF) is the principal organizational sponsor of the GNU Project. FSF receives very little funding from corporations or grant-making foundations.
qmail.org qmail is a modern SMTP server which makes sendmail obsolete
linuxdoc.org Linux Documentation Project
ximian.com Ximian is the established leader in providing Open Source desktop technology, applications, support and services for the Linux and UNIX marketplaces.
mozilla.org Mozilla - An Open Source web browser

gnome.org GNOME is part of the GNU project, and is free software (sometimes referred to as Open Source software). It is included in almost every BSD and GNU/Linux distribution and works on many other UNIX systems.
mysql.com MySQL is the world's most popular Open Source Database, designed for speed, power and precision in mission critical, heavy load use.
isc.org A not-for-profit corporation dedicated to developing and maintaining production quality Open Source reference implementations of core Internet protocols.
php.net PHP is a widely-used general- purpose scripting language that is especially suited for Web development and can be embedded into HTML.
wikipedia.com Wikipedia - a collaborative project to produce a free and complete encyclopedia in every language.
debian.org Debian is a free operating system (OS) for your computer. An operating system is the set of basic programs and utilities that make your computer run. Debian uses the Linux kernel (the core of an operating system), but most of the basic OS tools come from the GNU project; hence the name GNU/Linux.
htdig.org ht://Dig - Internet search engine software