WebGUI Content Engine

Plain Black, makers of WebGUI - WebGUI Content Engine: "The WebGUI Content Engine is Web Done Right. It's the premier platform for managing all your web based content and applications. WebGUI is modular, powerful, secure, and user-friendly. Most users find themselves managing content within hours, and developers can easily plug-in functionality to maximize a site's potential. Since its introduction in 2001, WebGUI has grown to currently run over 10,000 web sites, intranets, and extranets around the world."