Metawire Network open hosting
Sort of an open source model for server hosting.
From the site:
Metawire.org is a collaboritive effort between Daniel Selans and Eric Harrison to provide free shell, email, and webhosting at a quality of service unheard of on the Internet today. Metawire.org offers the most storage space, a diverse selection of domains to choose from, and a great underlying OS (OpenBSD) to power a new generation of free hosting services. Metawire offers unrivaled levels of service, poising itself high above any and all existing competitors.