IPFire is a Linux firewall distribution that is built from source and comes with lots of additional features. It is easy to set up and administer. It features a firewall with stateful inspection, a content filtering engine, traffic control (QoS), VPN technology, and a lot of logging.
UCS is a reliable, pre-configured Linux server operating system. Its purpose is to provide Microsoft server-like services on the cloud (also for OpenStack and Amazon EC2 environments) or on-premise, to run and operate corporate IT environments with Windows- and Linux-based clients and to extend those environments with proven enterprise software via the Univention App Center in form of UCS-components or third-party products such as ownCloud or Open-Xchange. It features: Active Directory-like doma
Univention Corporate Client (UCC) is a flexible and efficiently manageable operating system for PCs, notebooks, and thin clients in companies and institutions. The software contains a Linux-based desktop environment optimized for business use. It allows desktops to be adapted to hardware and intended applications. In addition, it can be managed conveniently and efficiently via a Web-based console. In comparison to other systems, it guarantees integrated administration procedures for users, clien
CentOS is an enterprise Linux distribution based on the sources from Red Hat Enterprise Linux. CentOS conforms with Red Hat's redistribution policy and aims to be 100% binary compatible. Each CentOS version is supported for 10 years (by means of security updates). A new CentOS version is released every 2 years and each CentOS version is regularly updated (every 6 months) to support newer hardware.