Vyatta – Open-Source Networking
http://www.vyatta.com/

Vyatta has changed the networking world by developing the first commercially supported, open-source router, firewall, VPN solution to provide an alternative to over-priced, inflexible products from proprietary vendors. Vyatta delivers the features, performance, and reliability of an enterprise-class secure router with the added benefits of flexible deployment options–x86 hardware, blade servers, virtualization– freedom to integrate applications, and the economic advantages of commodity hardware and components. This has been added to World Wide Web Reference Subject Tracer™ Information Blog.