I would like to introduce our new website completely powered by Redmine with new CMS plugin. (http://redminecrm.com ) Redmine contains many hidden features like nested menus and it really amazing for customization. We add liquid templates and Page model to make it easy create new website content. Caching, snippets and styles and other features for simple product website. In nearest future this plugin will be contributed for community and hope it will be helpful.