BigBlueButton- open source web conferencing software

BigBlueButton is open source web conferencing software. It is developed and is maintained by Blindside Networks. BigBlueButton uses red5, an open source implementation of Adobe's Flash Media Server, to support its real-time collaboration. It can be used for the purpose of business communications, formal discussion or any other of same purpose.

Ubuntu - Open Source Linux kernel based OS

Ubuntu Support Services

Ubuntu is a computer operating system based on the Debian Linux distribution and distributed as free and open source software, using its own desktop environment. Ubuntu is designed primarily for use on personal computers, although a server edition also exists. Ubuntu is sponsored by the UK-based company Canonical Ltd., owned by South African entrepreneur Mark Shuttleworth. Canonical generates revenue by selling technical support and services related to Ubuntu, while the operating system itself is entirely free of charge. The Ubuntu project is committed to the principles of free software development; people are encouraged to use free software, improve it, and pass it on.

Fedora - Open Source Linux kernel based OS

Fedora Support Services

Fedora, formerly Fedora Core, 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. Fedora’s flexibility makes it capable of serving as a digital repository for a variety of use cases. The Fedora Project's mission is to lead the advancement of free and open source software and content as a collaborative community. One of Fedora's main objectives is not only to contain software distributed under a free and open source license, but also to be on the leading edge of such technologies.Fedora developers prefer to make upstream changes instead of applying fixes specifically for Fedora—this ensures that their updates are available to all Linux distributions.

OpenSUSE - Open Source Linux kernel based OS

OpenSUSE Support Services

SUSE Linux is a computer operating system. It is built on top of the open source Linux kernel and is distributed with system and application software from other open source projects. SUSE Linux is of German origin and mainly developed in Europe. The first version appeared in early 1994, making SUSE the oldest existing commercial distribution. It is known for its YaST configuration tool. Novell bought the SuSE brands and trademarks in 2003. Novell, one of the founding members of the Open Invention Network, decided to make the community an important part of their development process by opening widely the distribution development to outside contributors in 2005, creating the openSUSE distribution and the openSUSE Project. Novell employed over 500 developers working on SUSE in 2004.On 27 April 2011, Novell (and SUSE) were acquired by The Attachmate Group.