openSUSE Medical is a distribution of openSUSE made especially to address the needs of doctors. It is based on openSUSE 11.3. It is distributed in the form of ISO image files and VirtualBox/VMWare images. It includes carefully selected software for doctors' practices, clinical environments, and medical students. The software selection encompasses everything required to make computers productive for either home or medical use. This distribution includes a LAMP (Linux, Apache, MySQL, and PHP) stack that is needed for developing or hosting PHP-based Web sites and all other major development tools. The aim of this distribution is to provide complete resources for medical doctors, clinics, and medical students as well as IT admins running labs at educational institutes.
The Taridium ipbx is a complete software-based VoIP PBX system that replaces a traditional proprietary hardware PBX. It runs on Linux without the need for extra software licenses, and is based on the SIP standard. It supports many phones and is available for free in a 5 user version.
Collax Business Server is an all-in-one Linux server for small- and medium-sized businesses. It delivers all the important network services within a heterogeneous business environment for communication, infrastructure, compliance, groupware, and storage, all in a reliable and secure way which is easy to manage. It also provides essential security functions such as firewalling and virus and spam filtering, to protect against hacker attacks, viruses, and unsolicited email messages.