Short description of Bluo CMS 1: Bluo is the most intuitive CMS Content Management System that a web agency can implement for their customers. It is perfect for small business websites and is really easy to use and to implement. Bluo is as familiar as Microsoft Windows or Microsoft Word. You have all the tools you need a click away and we've not introduced features that you won't use. Manage website pages or send newsletters with only 3 mouse clicks. FREE for smaller websites!