LTSP - The Linux Terminal Server Project adds thin-client support to Linux servers.
pfSense - pfSense is a free and open source firewall and router that also features unified threat management, load balancing, multi WAN, and more
Thinstation - Thinstation is a basic and small, yet very powerful, open source thin client operating system...
Zentyal - Linux directory, domain, mail, gateway and infrastructure server for SMBs.
linuxmuster.net - linuxmuster.net is a comprehensive complete solution for the operation of school IT infrastructure.
NethServer - NethServer is an operating system for Linux enthusiasts, designed for small offices and medium...