Webiva
The Webiva Performance Inbound Marketing Platform grew out of a content management system that we have used internally and with clients for the past three years.
It is a system that has been developed from the ground up for use by web development companies to create custom designed, professional websites that look and operate exactly the way that you want them to.
Webiva has been extensively internally tested over the past 3 years - we and our partners have used it to build over 250 different websites, ranging from simple brochure websites to full-featured e-commerce and social networking sites. We've "eaten our own dogfood" and have adjusted and tweaked whenever necessary to make sure the entire process of developing, deploying and maintaining a website is as streamlined as possible without sacrificing one ounce of flexibility.
While no software system is a silver bullet, Webiva has been developed to be a modular, extensible system that can accomodate almost any piece of functionality, and new modules are being added and refined all the time.
The open source site at Webiva.org
The community site is at Webiva.net
A beta of the hosted version is at Webiva.com